Fractions Quarters Hard — Set 57

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                "numerator1": 11,
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                "numerator1": 5,
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                "denominator2": 15,
                "question": "5/15 - 4/15 = ?",
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                "correctAnswer": "1/15",
                "difficulty": "hard"
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                "id": 3,
                "type": "fractions",
                "subType": "subtract",
                "numerator1": 2,
                "denominator1": 10,
                "numerator2": 1,
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                "question": "2/10 - 1/5 = ?",
                "answer": "0",
                "correctAnswer": "0",
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                "id": 4,
                "type": "fractions",
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                "numerator1": 2,
                "denominator1": 3,
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                "denominator2": 14,
                "question": "2/3 + 1/14 = ?",
                "answer": "31/42",
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                "type": "fractions",
                "subType": "subtract",
                "numerator1": 7,
                "denominator1": 11,
                "numerator2": 6,
                "denominator2": 12,
                "question": "7/11 - 6/12 = ?",
                "answer": "3/22",
                "correctAnswer": "3/22",
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                "id": 6,
                "type": "fractions",
                "subType": "add",
                "numerator1": 6,
                "denominator1": 15,
                "numerator2": 4,
                "denominator2": 14,
                "question": "6/15 + 4/14 = ?",
                "answer": "24/35",
                "correctAnswer": "24/35",
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                "id": 7,
                "type": "fractions",
                "subType": "multiply",
                "numerator1": 2,
                "denominator1": 3,
                "numerator2": 9,
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                "answer": "6/13",
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                "id": 8,
                "type": "fractions",
                "subType": "simplify",
                "numerator1": 1,
                "denominator1": 8,
                "numerator2": 11,
                "denominator2": 16,
                "question": "Simplify 2/16 = ?",
                "answer": "1/8",
                "correctAnswer": "1/8",
                "difficulty": "hard"
            },
            {
                "id": 9,
                "type": "fractions",
                "subType": "multiply",
                "numerator1": 1,
                "denominator1": 3,
                "numerator2": 4,
                "denominator2": 5,
                "question": "1/3 × 4/5 = ?",
                "answer": "4/15",
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                "type": "fractions",
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                "numerator1": 1,
                "denominator1": 2,
                "numerator2": 6,
                "denominator2": 9,
                "question": "Simplify 2/4 = ?",
                "answer": "1/2",
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                "numerator1": 1,
                "denominator1": 4,
                "numerator2": 2,
                "denominator2": 11,
                "question": "1/4 × 2/11 = ?",
                "answer": "1/22",
                "correctAnswer": "1/22",
                "difficulty": "hard"
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            {
                "id": 12,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 3,
                "denominator1": 5,
                "numerator2": 4,
                "denominator2": 5,
                "question": "3/5 ÷ 4/5 = ?",
                "answer": "3/4",
                "correctAnswer": "3/4",
                "difficulty": "hard"
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            {
                "id": 13,
                "type": "fractions",
                "subType": "add",
                "numerator1": 8,
                "denominator1": 9,
                "numerator2": 4,
                "denominator2": 12,
                "question": "8/9 + 4/12 = ?",
                "answer": "11/9",
                "correctAnswer": "11/9",
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                "id": 14,
                "type": "fractions",
                "subType": "add",
                "numerator1": 2,
                "denominator1": 10,
                "numerator2": 1,
                "denominator2": 4,
                "question": "2/10 + 1/4 = ?",
                "answer": "9/20",
                "correctAnswer": "9/20",
                "difficulty": "hard"
            },
            {
                "id": 15,
                "type": "fractions",
                "subType": "divide",
                "numerator1": 1,
                "denominator1": 2,
                "numerator2": 1,
                "denominator2": 4,
                "question": "1/2 ÷ 1/4 = ?",
                "answer": "2",
                "correctAnswer": "2",
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                "id": 16,
                "type": "fractions",
                "subType": "multiply",
                "numerator1": 1,
                "denominator1": 2,
                "numerator2": 5,
                "denominator2": 11,
                "question": "1/2 × 5/11 = ?",
                "answer": "5/22",
                "correctAnswer": "5/22",
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                "id": 17,
                "type": "fractions",
                "subType": "simplify",
                "numerator1": 11,
                "denominator1": 15,
                "numerator2": 4,
                "denominator2": 12,
                "question": "Simplify 22/30 = ?",
                "answer": "11/15",
                "correctAnswer": "11/15",
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                "id": 18,
                "type": "fractions",
                "subType": "add",
                "numerator1": 6,
                "denominator1": 11,
                "numerator2": 3,
                "denominator2": 5,
                "question": "6/11 + 3/5 = ?",
                "answer": "63/55",
                "correctAnswer": "63/55",
                "difficulty": "hard"
            },
            {
                "id": 19,
                "type": "fractions",
                "subType": "subtract",
                "numerator1": 13,
                "denominator1": 16,
                "numerator2": 1,
                "denominator2": 2,
                "question": "13/16 - 1/2 = ?",
                "answer": "5/16",
                "correctAnswer": "5/16",
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                "subType": "multiply",
                "numerator1": 3,
                "denominator1": 5,
                "numerator2": 4,
                "denominator2": 12,
                "question": "3/5 × 4/12 = ?",
                "answer": "1/5",
                "correctAnswer": "1/5",
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