Subtract 21/32 from 10/84
10/84 - 21/32 is -361/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
10/84 = 10 × 8/84 × 8 = 80/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
21/32 = 21 × 21/32 × 21 = 441/672 - Subtract the two like fractions:
80/672 - 441/672 = 80 - 441/672 = -361/672
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