Subtract 80/49 from 40/90
1st number: 40/90, 2nd number: 1 31/49
40/90 - 80/49 is -524/441.
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,
40/90 = 40 × 49/90 × 49 = 1960/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
80/49 = 80 × 90/49 × 90 = 7200/4410 - Subtract the two like fractions:
1960/4410 - 7200/4410 = 1960 - 7200/4410 = -5240/4410 - After reducing the fraction, the answer is -524/441
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