Subtract 90/14 from 81/56
1st number: 1 25/56, 2nd number: 6 6/14
81/56 - 90/14 is -279/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
81/56 = 81 × 1/56 × 1 = 81/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
90/14 = 90 × 4/14 × 4 = 360/56 - Subtract the two like fractions:
81/56 - 360/56 = 81 - 360/56 = -279/56
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