Subtract 21/32 from 42/12
1st number: 3 6/12, 2nd number: 21/32
42/12 - 21/32 is 91/32.
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,
42/12 = 42 × 8/12 × 8 = 336/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
21/32 = 21 × 3/32 × 3 = 63/96 - Subtract the two like fractions:
336/96 - 63/96 = 336 - 63/96 = 273/96 - After reducing the fraction, the answer is 91/32
- In mixed form: 227/32
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