Subtract 98/90 from 15/84
1st number: 15/84, 2nd number: 1 8/90
15/84 - 98/90 is -1147/1260.
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,
98/90 = 98 × 14/90 × 14 = 1372/1260 - Subtract the two like fractions:
225/1260 - 1372/1260 = 225 - 1372/1260 = -1147/1260
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