Subtract 21/16 from 63/7
1st number: 9 0/7, 2nd number: 1 5/16
63/7 - 21/16 is 123/16.
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,
63/7 = 63 × 16/7 × 16 = 1008/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Subtract the two like fractions:
1008/112 - 147/112 = 1008 - 147/112 = 861/112 - After reducing the fraction, the answer is 123/16
- In mixed form: 711/16
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