Subtract 21/96 from 28/42
28/42 - 21/96 is 43/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
28/42 = 28 × 16/42 × 16 = 448/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
21/96 = 21 × 7/96 × 7 = 147/672 - Subtract the two like fractions:
448/672 - 147/672 = 448 - 147/672 = 301/672 - After reducing the fraction, the answer is 43/96
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