Subtract 90/18 from 42/32
1st number: 1 10/32, 2nd number: 5 0/18
42/32 - 90/18 is -59/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 18 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
42/32 = 42 × 9/32 × 9 = 378/288 - Likewise, for the 2nd fraction, since 18 × 16 = 288,
90/18 = 90 × 16/18 × 16 = 1440/288 - Subtract the two like fractions:
378/288 - 1440/288 = 378 - 1440/288 = -1062/288 - After reducing the fraction, the answer is -59/16
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