Subtract 90/27 from 81/50
1st number: 1 31/50, 2nd number: 3 9/27
81/50 - 90/27 is -257/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 27 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 50 × 27 = 1350,
81/50 = 81 × 27/50 × 27 = 2187/1350 - Likewise, for the 2nd fraction, since 27 × 50 = 1350,
90/27 = 90 × 50/27 × 50 = 4500/1350 - Subtract the two like fractions:
2187/1350 - 4500/1350 = 2187 - 4500/1350 = -2313/1350 - After reducing the fraction, the answer is -257/150
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