Subtract 90/12 from 42/32
1st number: 1 10/32, 2nd number: 7 6/12
42/32 - 90/12 is -99/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 12 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 32 × 3 = 96,
42/32 = 42 × 3/32 × 3 = 126/96 - Likewise, for the 2nd fraction, since 12 × 8 = 96,
90/12 = 90 × 8/12 × 8 = 720/96 - Subtract the two like fractions:
126/96 - 720/96 = 126 - 720/96 = -594/96 - After reducing the fraction, the answer is -99/16
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