Subtract 45/81 from 18/50
18/50 - 45/81 is -44/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
18/50 = 18 × 81/50 × 81 = 1458/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
45/81 = 45 × 50/81 × 50 = 2250/4050 - Subtract the two like fractions:
1458/4050 - 2250/4050 = 1458 - 2250/4050 = -792/4050 - After reducing the fraction, the answer is -44/225
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