Subtract 81/49 from 12/90
1st number: 12/90, 2nd number: 1 32/49
12/90 - 81/49 is -1117/735.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
12/90 = 12 × 49/90 × 49 = 588/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
81/49 = 81 × 90/49 × 90 = 7290/4410 - Subtract the two like fractions:
588/4410 - 7290/4410 = 588 - 7290/4410 = -6702/4410 - After reducing the fraction, the answer is -1117/735
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