Subtract 28/32 from 42/12
1st number: 3 6/12, 2nd number: 28/32
42/12 - 28/32 is 21/8.
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,
28/32 = 28 × 3/32 × 3 = 84/96 - Subtract the two like fractions:
336/96 - 84/96 = 336 - 84/96 = 252/96 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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