Subtract 42/96 from 21/28
21/28 - 42/96 is 5/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 28 × 24 = 672,
21/28 = 21 × 24/28 × 24 = 504/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
42/96 = 42 × 7/96 × 7 = 294/672 - Subtract the two like fractions:
504/672 - 294/672 = 504 - 294/672 = 210/672 - After reducing the fraction, the answer is 5/16
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