Subtract 90/36 from 81/50
1st number: 1 31/50, 2nd number: 2 18/36
81/50 - 90/36 is -22/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
81/50 = 81 × 18/50 × 18 = 1458/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
90/36 = 90 × 25/36 × 25 = 2250/900 - Subtract the two like fractions:
1458/900 - 2250/900 = 1458 - 2250/900 = -792/900 - After reducing the fraction, the answer is -22/25
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