Subtract 21/14 from 7/16
1st number: 7/16, 2nd number: 1 7/14
7/16 - 21/14 is -17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 14 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
7/16 = 7 × 7/16 × 7 = 49/112 - Likewise, for the 2nd fraction, since 14 × 8 = 112,
21/14 = 21 × 8/14 × 8 = 168/112 - Subtract the two like fractions:
49/112 - 168/112 = 49 - 168/112 = -119/112 - After reducing the fraction, the answer is -17/16
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