Subtract 81/56 from 30/60
1st number: 30/60, 2nd number: 1 25/56
30/60 - 81/56 is -53/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
30/60 = 30 × 14/60 × 14 = 420/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Subtract the two like fractions:
420/840 - 1215/840 = 420 - 1215/840 = -795/840 - After reducing the fraction, the answer is -53/56
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Related: 90/60-81/56