Subtract 42/63 from 4/16
4/16 - 42/63 is -5/12.
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,
4/16 = 4 × 63/16 × 63 = 252/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
42/63 = 42 × 16/63 × 16 = 672/1008 - Subtract the two like fractions:
252/1008 - 672/1008 = 252 - 672/1008 = -420/1008 - After reducing the fraction, the answer is -5/12
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