Subtract 21/32 from 1/2
1/2 - 21/32 is -5/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 32 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 2 × 16 = 32,
1/2 = 1 × 16/2 × 16 = 16/32 - Likewise, for the 2nd fraction, since 32 × 1 = 32,
21/32 = 21 × 1/32 × 1 = 21/32 - Subtract the two like fractions:
16/32 - 21/32 = 16 - 21/32 = -5/32
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