hard Set 21 Form Exercise

11/12 - 3/9 = ?

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Answer: 7/12

SubType
subtract
Numerator1
11
Denominator1
12
Numerator2
3
Denominator2
9
Difficulty
hard

7/15 ÷ 1/2 = ?

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Answer: 14/15

SubType
divide
Numerator1
7
Denominator1
15
Numerator2
1
Denominator2
2
Difficulty
hard

12/13 - 1/11 = ?

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Answer: 119/143

SubType
subtract
Numerator1
12
Denominator1
13
Numerator2
1
Denominator2
11
Difficulty
hard

1/2 - 1/4 = ?

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Answer: 1/4

SubType
subtract
Numerator1
1
Denominator1
2
Numerator2
1
Denominator2
4
Difficulty
hard

12/15 + 2/3 = ?

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Answer: 22/15

SubType
add
Numerator1
12
Denominator1
15
Numerator2
2
Denominator2
3
Difficulty
hard

13/16 × 4/5 = ?

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Answer: 13/20

SubType
multiply
Numerator1
13
Denominator1
16
Numerator2
4
Denominator2
5
Difficulty
hard

Simplify 20/36 = ?

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Answer: 5/9

SubType
simplify
Numerator1
5
Denominator1
9
Numerator2
3
Denominator2
14
Difficulty
hard

2/10 × 1/7 = ?

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Answer: 1/35

SubType
multiply
Numerator1
2
Denominator1
10
Numerator2
1
Denominator2
7
Difficulty
hard

1/3 + 1/3 = ?

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Answer: 2/3

SubType
add
Numerator1
1
Denominator1
3
Numerator2
1
Denominator2
3
Difficulty
hard

5/10 ÷ 3/6 = ?

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Answer: 1

SubType
divide
Numerator1
5
Denominator1
10
Numerator2
3
Denominator2
6
Difficulty
hard

1/3 × 1/16 = ?

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Answer: 1/48

SubType
multiply
Numerator1
1
Denominator1
3
Numerator2
1
Denominator2
16
Difficulty
hard

5/13 × 3/16 = ?

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Answer: 15/208

SubType
multiply
Numerator1
5
Denominator1
13
Numerator2
3
Denominator2
16
Difficulty
hard

7/10 + 6/10 = ?

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Answer: 13/10

SubType
add
Numerator1
7
Denominator1
10
Numerator2
6
Denominator2
10
Difficulty
hard

13/14 × 7/8 = ?

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Answer: 13/16

SubType
multiply
Numerator1
13
Denominator1
14
Numerator2
7
Denominator2
8
Difficulty
hard

Simplify 40/48 = ?

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Answer: 10/12

SubType
simplify
Numerator1
10
Denominator1
12
Numerator2
2
Denominator2
5
Difficulty
hard

Simplify 20/28 = ?

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Answer: 10/14

SubType
simplify
Numerator1
10
Denominator1
14
Numerator2
4
Denominator2
7
Difficulty
hard

Simplify 4/52 = ?

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Answer: 1/13

SubType
simplify
Numerator1
1
Denominator1
13
Numerator2
4
Denominator2
14
Difficulty
hard

2/4 - 2/16 = ?

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Answer: 3/8

SubType
subtract
Numerator1
2
Denominator1
4
Numerator2
2
Denominator2
16
Difficulty
hard

1/8 × 8/15 = ?

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Answer: 1/15

SubType
multiply
Numerator1
1
Denominator1
8
Numerator2
8
Denominator2
15
Difficulty
hard

Simplify 20/48 = ?

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Answer: 5/12

SubType
simplify
Numerator1
5
Denominator1
12
Numerator2
10
Denominator2
14
Difficulty
hard