B Set 10 Unknown

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                "subType": "divide",
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                "numerator2": 4,
                "denominator2": 5,
                "question": "3/5 ÷ 4/5 = ?",
                "answer": "3/4",
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                "id": 9,
                "type": "fractions",
                "subType": "divide",
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                "question": "Simplify 4/8 = ?",
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                "question": "2/7 × 1/2 = ?",
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                "question": "2/4 - 2/5 = ?",
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                "denominator1": 4,
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                "denominator2": 8,
                "question": "1/4 × 3/8 = ?",
                "answer": "3/32",
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                "answer": "1/4",
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                "numerator1": 2,
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                "denominator2": 2,
                "question": "2/3 × 1/2 = ?",
                "answer": "1/3",
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