Subtract 3/81 from 81/50
1st number: 1 31/50, 2nd number: 3/81
81/50 - 3/81 is 2137/1350.
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,
81/50 = 81 × 81/50 × 81 = 6561/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
3/81 = 3 × 50/81 × 50 = 150/4050 - Subtract the two like fractions:
6561/4050 - 150/4050 = 6561 - 150/4050 = 6411/4050 - After reducing the fraction, the answer is 2137/1350
- In mixed form: 1787/1350
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