Subtract 25/32 from 16/21
16/21 - 25/32 is -13/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
16/21 = 16 × 32/21 × 32 = 512/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
25/32 = 25 × 21/32 × 21 = 525/672 - Subtract the two like fractions:
512/672 - 525/672 = 512 - 525/672 = -13/672
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