Subtract 20/56 from 15/8
1st number: 1 7/8, 2nd number: 20/56
15/8 - 20/56 is 85/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Subtract the two like fractions:
105/56 - 20/56 = 105 - 20/56 = 85/56 - In mixed form: 129/56
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