Subtract 28/36 from 15/7
1st number: 2 1/7, 2nd number: 28/36
15/7 - 28/36 is 86/63.
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,
15/7 = 15 × 36/7 × 36 = 540/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Subtract the two like fractions:
540/252 - 196/252 = 540 - 196/252 = 344/252 - After reducing the fraction, the answer is 86/63
- In mixed form: 123/63
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