Subtract 81/56 from 16/30
1st number: 16/30, 2nd number: 1 25/56
16/30 - 81/56 is -767/840.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
16/30 = 16 × 28/30 × 28 = 448/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Subtract the two like fractions:
448/840 - 1215/840 = 448 - 1215/840 = -767/840
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