Subtract 21/16 from 63/75
1st number: 63/75, 2nd number: 1 5/16
63/75 - 21/16 is -189/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
63/75 = 63 × 16/75 × 16 = 1008/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
21/16 = 21 × 75/16 × 75 = 1575/1200 - Subtract the two like fractions:
1008/1200 - 1575/1200 = 1008 - 1575/1200 = -567/1200 - After reducing the fraction, the answer is -189/400
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