Subtract 90/96 from 18/30
18/30 - 90/96 is -27/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
18/30 = 18 × 16/30 × 16 = 288/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
90/96 = 90 × 5/96 × 5 = 450/480 - Subtract the two like fractions:
288/480 - 450/480 = 288 - 450/480 = -162/480 - After reducing the fraction, the answer is -27/80
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