Subtract 42/28 from 98/90
1st number: 1 8/90, 2nd number: 1 14/28
98/90 - 42/28 is -37/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
98/90 = 98 × 14/90 × 14 = 1372/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
42/28 = 42 × 45/28 × 45 = 1890/1260 - Subtract the two like fractions:
1372/1260 - 1890/1260 = 1372 - 1890/1260 = -518/1260 - After reducing the fraction, the answer is -37/90
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