Subtract 80/36 from 56/90
1st number: 56/90, 2nd number: 2 8/36
56/90 - 80/36 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
56/90 = 56 × 2/90 × 2 = 112/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
80/36 = 80 × 5/36 × 5 = 400/180 - Subtract the two like fractions:
112/180 - 400/180 = 112 - 400/180 = -288/180 - After reducing the fraction, the answer is -8/5
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