Subtract 1/21 from 1/32
1/32 - 1/21 is -11/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
1/32 = 1 × 21/32 × 21 = 21/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
1/21 = 1 × 32/21 × 32 = 32/672 - Subtract the two like fractions:
21/672 - 32/672 = 21 - 32/672 = -11/672
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