Subtract 1/50 from 18/81
18/81 - 1/50 is 91/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
18/81 = 18 × 50/81 × 50 = 900/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
1/50 = 1 × 81/50 × 81 = 81/4050 - Subtract the two like fractions:
900/4050 - 81/4050 = 900 - 81/4050 = 819/4050 - After reducing the fraction, the answer is 91/450
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