Subtract 21/96 from 8/84
8/84 - 21/96 is -83/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
8/84 = 8 × 8/84 × 8 = 64/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
21/96 = 21 × 7/96 × 7 = 147/672 - Subtract the two like fractions:
64/672 - 147/672 = 64 - 147/672 = -83/672
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