Subtract 63/28 from 21/16
1st number: 1 5/16, 2nd number: 2 7/28
21/16 - 63/28 is -15/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
63/28 = 63 × 4/28 × 4 = 252/112 - Subtract the two like fractions:
147/112 - 252/112 = 147 - 252/112 = -105/112 - After reducing the fraction, the answer is -15/16
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