Subtract 21/16 from 63/5
1st number: 12 3/5, 2nd number: 1 5/16
63/5 - 21/16 is 903/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
63/5 = 63 × 16/5 × 16 = 1008/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Subtract the two like fractions:
1008/80 - 105/80 = 1008 - 105/80 = 903/80 - In mixed form: 1123/80
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