Subtract 81/56 from 15/4
1st number: 3 3/4, 2nd number: 1 25/56
15/4 - 81/56 is 129/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
15/4 = 15 × 14/4 × 14 = 210/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
81/56 = 81 × 1/56 × 1 = 81/56 - Subtract the two like fractions:
210/56 - 81/56 = 210 - 81/56 = 129/56 - In mixed form: 217/56
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