Subtract 20/36 from 75/7
1st number: 10 5/7, 2nd number: 20/36
75/7 - 20/36 is 640/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
75/7 = 75 × 36/7 × 36 = 2700/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Subtract the two like fractions:
2700/252 - 140/252 = 2700 - 140/252 = 2560/252 - After reducing the fraction, the answer is 640/63
- In mixed form: 1010/63
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