Subtract 20/16 from 5/7
1st number: 5/7, 2nd number: 1 4/16
5/7 - 20/16 is -15/28.
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,
20/16 = 20 × 7/16 × 7 = 140/112 - Subtract the two like fractions:
80/112 - 140/112 = 80 - 140/112 = -60/112 - After reducing the fraction, the answer is -15/28
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