Subtract 27/96 from 1/21
1/21 - 27/96 is -157/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
1/21 = 1 × 32/21 × 32 = 32/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
27/96 = 27 × 7/96 × 7 = 189/672 - Subtract the two like fractions:
32/672 - 189/672 = 32 - 189/672 = -157/672
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