Subtract 42/63 from 21/16
1st number: 1 5/16, 2nd number: 42/63
21/16 - 42/63 is 31/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
21/16 = 21 × 63/16 × 63 = 1323/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Subtract the two like fractions:
1323/1008 - 672/1008 = 1323 - 672/1008 = 651/1008 - After reducing the fraction, the answer is 31/48
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