Subtract 81/56 from 16/15
1st number: 1 1/15, 2nd number: 1 25/56
16/15 - 81/56 is -319/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
16/15 = 16 × 56/15 × 56 = 896/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Subtract the two like fractions:
896/840 - 1215/840 = 896 - 1215/840 = -319/840
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