Subtract 81/56 from 36/30
1st number: 1 6/30, 2nd number: 1 25/56
36/30 - 81/56 is -69/280.
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,
36/30 = 36 × 28/30 × 28 = 1008/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Subtract the two like fractions:
1008/840 - 1215/840 = 1008 - 1215/840 = -207/840 - After reducing the fraction, the answer is -69/280
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