Workbook Detail
Fractions Thirds Hard — Set 85
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"numerator1": 12,
"denominator1": 15,
"numerator2": 9,
"denominator2": 11,
"question": "12/15 + 9/11 = ?",
"answer": "89/55",
"correctAnswer": "89/55",
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"id": 2,
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"numerator1": 2,
"denominator1": 7,
"numerator2": 7,
"denominator2": 14,
"question": "2/7 × 7/14 = ?",
"answer": "1/7",
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{
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"subType": "subtract",
"numerator1": 8,
"denominator1": 14,
"numerator2": 2,
"denominator2": 10,
"question": "8/14 - 2/10 = ?",
"answer": "13/35",
"correctAnswer": "13/35",
"difficulty": "hard"
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"type": "fractions",
"subType": "simplify",
"numerator1": 2,
"denominator1": 3,
"numerator2": 12,
"denominator2": 15,
"question": "Simplify 6/9 = ?",
"answer": "2/3",
"correctAnswer": "2/3",
"difficulty": "hard"
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{
"id": 5,
"type": "fractions",
"subType": "simplify",
"numerator1": 3,
"denominator1": 6,
"numerator2": 12,
"denominator2": 15,
"question": "Simplify 6/12 = ?",
"answer": "3/6",
"correctAnswer": "3/6",
"difficulty": "hard"
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{
"id": 6,
"type": "fractions",
"subType": "subtract",
"numerator1": 3,
"denominator1": 6,
"numerator2": 1,
"denominator2": 3,
"question": "3/6 - 1/3 = ?",
"answer": "1/6",
"correctAnswer": "1/6",
"difficulty": "hard"
},
{
"id": 7,
"type": "fractions",
"subType": "subtract",
"numerator1": 8,
"denominator1": 10,
"numerator2": 2,
"denominator2": 9,
"question": "8/10 - 2/9 = ?",
"answer": "26/45",
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"difficulty": "hard"
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{
"id": 8,
"type": "fractions",
"subType": "simplify",
"numerator1": 4,
"denominator1": 10,
"numerator2": 11,
"denominator2": 15,
"question": "Simplify 12/30 = ?",
"answer": "4/10",
"correctAnswer": "4/10",
"difficulty": "hard"
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{
"id": 9,
"type": "fractions",
"subType": "simplify",
"numerator1": 1,
"denominator1": 3,
"numerator2": 2,
"denominator2": 14,
"question": "Simplify 3/9 = ?",
"answer": "1/3",
"correctAnswer": "1/3",
"difficulty": "hard"
},
{
"id": 10,
"type": "fractions",
"subType": "subtract",
"numerator1": 9,
"denominator1": 10,
"numerator2": 4,
"denominator2": 10,
"question": "9/10 - 4/10 = ?",
"answer": "1/2",
"correctAnswer": "1/2",
"difficulty": "hard"
},
{
"id": 11,
"type": "fractions",
"subType": "divide",
"numerator1": 3,
"denominator1": 9,
"numerator2": 9,
"denominator2": 14,
"question": "3/9 ÷ 9/14 = ?",
"answer": "14/27",
"correctAnswer": "14/27",
"difficulty": "hard"
},
{
"id": 12,
"type": "fractions",
"subType": "add",
"numerator1": 3,
"denominator1": 7,
"numerator2": 3,
"denominator2": 9,
"question": "3/7 + 3/9 = ?",
"answer": "16/21",
"correctAnswer": "16/21",
"difficulty": "hard"
},
{
"id": 13,
"type": "fractions",
"subType": "add",
"numerator1": 2,
"denominator1": 11,
"numerator2": 5,
"denominator2": 14,
"question": "2/11 + 5/14 = ?",
"answer": "83/154",
"correctAnswer": "83/154",
"difficulty": "hard"
},
{
"id": 14,
"type": "fractions",
"subType": "add",
"numerator1": 4,
"denominator1": 8,
"numerator2": 11,
"denominator2": 13,
"question": "4/8 + 11/13 = ?",
"answer": "35/26",
"correctAnswer": "35/26",
"difficulty": "hard"
},
{
"id": 15,
"type": "fractions",
"subType": "multiply",
"numerator1": 8,
"denominator1": 11,
"numerator2": 1,
"denominator2": 3,
"question": "8/11 × 1/3 = ?",
"answer": "8/33",
"correctAnswer": "8/33",
"difficulty": "hard"
},
{
"id": 16,
"type": "fractions",
"subType": "divide",
"numerator1": 2,
"denominator1": 6,
"numerator2": 7,
"denominator2": 8,
"question": "2/6 ÷ 7/8 = ?",
"answer": "8/21",
"correctAnswer": "8/21",
"difficulty": "hard"
},
{
"id": 17,
"type": "fractions",
"subType": "subtract",
"numerator1": 11,
"denominator1": 15,
"numerator2": 9,
"denominator2": 16,
"question": "11/15 - 9/16 = ?",
"answer": "41/240",
"correctAnswer": "41/240",
"difficulty": "hard"
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{
"id": 18,
"type": "fractions",
"subType": "divide",
"numerator1": 1,
"denominator1": 6,
"numerator2": 8,
"denominator2": 9,
"question": "1/6 ÷ 8/9 = ?",
"answer": "3/16",
"correctAnswer": "3/16",
"difficulty": "hard"
},
{
"id": 19,
"type": "fractions",
"subType": "simplify",
"numerator1": 6,
"denominator1": 10,
"numerator2": 2,
"denominator2": 4,
"question": "Simplify 18/30 = ?",
"answer": "6/10",
"correctAnswer": "6/10",
"difficulty": "hard"
},
{
"id": 20,
"type": "fractions",
"subType": "subtract",
"numerator1": 5,
"denominator1": 6,
"numerator2": 5,
"denominator2": 10,
"question": "5/6 - 5/10 = ?",
"answer": "1/3",
"correctAnswer": "1/3",
"difficulty": "hard"
}
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}Teaching Notes
- 12/15 + 9/11 = ?
- 2/7 × 7/14 = ?
- 8/14 - 2/10 = ?
- Simplify 6/9 = ?
- Simplify 6/12 = ?
- 3/6 - 1/3 = ?
- 8/10 - 2/9 = ?
- Simplify 12/30 = ?
- Simplify 3/9 = ?
- 9/10 - 4/10 = ?
- 3/9 ÷ 9/14 = ?
- 3/7 + 3/9 = ?
- 2/11 + 5/14 = ?
- 4/8 + 11/13 = ?
- 8/11 × 1/3 = ?
- 2/6 ÷ 7/8 = ?
- 11/15 - 9/16 = ?
- 1/6 ÷ 8/9 = ?
- Simplify 18/30 = ?
- 5/6 - 5/10 = ?
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