Subtract 5/90 from 15/84
15/84 - 5/90 is 31/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
15/84 = 15 × 15/84 × 15 = 225/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
5/90 = 5 × 14/90 × 14 = 70/1260 - Subtract the two like fractions:
225/1260 - 70/1260 = 225 - 70/1260 = 155/1260 - After reducing the fraction, the answer is 31/252
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