Subtract 42/16 from 90/56
1st number: 1 34/56, 2nd number: 2 10/16
90/56 - 42/16 is -57/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
90/56 = 90 × 2/56 × 2 = 180/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
42/16 = 42 × 7/16 × 7 = 294/112 - Subtract the two like fractions:
180/112 - 294/112 = 180 - 294/112 = -114/112 - After reducing the fraction, the answer is -57/56
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