Subtract 90/16 from 5/7
1st number: 5/7, 2nd number: 5 10/16
5/7 - 90/16 is -275/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
5/7 = 5 × 16/7 × 16 = 80/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112 - Subtract the two like fractions:
80/112 - 630/112 = 80 - 630/112 = -550/112 - After reducing the fraction, the answer is -275/56
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