Subtract 42/16 from 21/32
1st number: 21/32, 2nd number: 2 10/16
21/32 - 42/16 is -63/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 16 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 32 × 1 = 32,
21/32 = 21 × 1/32 × 1 = 21/32 - Likewise, for the 2nd fraction, since 16 × 2 = 32,
42/16 = 42 × 2/16 × 2 = 84/32 - Subtract the two like fractions:
21/32 - 84/32 = 21 - 84/32 = -63/32
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