Subtract 42/32 from 21/12
1st number: 1 9/12, 2nd number: 1 10/32
21/12 - 42/32 is 7/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
21/12 = 21 × 8/12 × 8 = 168/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
42/32 = 42 × 3/32 × 3 = 126/96 - Subtract the two like fractions:
168/96 - 126/96 = 168 - 126/96 = 42/96 - After reducing the fraction, the answer is 7/16
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