Subtract 42/32 from 20/12
1st number: 1 8/12, 2nd number: 1 10/32
20/12 - 42/32 is 17/48.
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,
20/12 = 20 × 8/12 × 8 = 160/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
42/32 = 42 × 3/32 × 3 = 126/96 - Subtract the two like fractions:
160/96 - 126/96 = 160 - 126/96 = 34/96 - After reducing the fraction, the answer is 17/48
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