Subtract 84/96 from 9/90
9/90 - 84/96 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
9/90 = 9 × 16/90 × 16 = 144/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
84/96 = 84 × 15/96 × 15 = 1260/1440 - Subtract the two like fractions:
144/1440 - 1260/1440 = 144 - 1260/1440 = -1116/1440 - After reducing the fraction, the answer is -31/40
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