Subtract 6/81 from 81/40
1st number: 2 1/40, 2nd number: 6/81
81/40 - 6/81 is 2107/1080.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
81/40 = 81 × 81/40 × 81 = 6561/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
6/81 = 6 × 40/81 × 40 = 240/3240 - Subtract the two like fractions:
6561/3240 - 240/3240 = 6561 - 240/3240 = 6321/3240 - After reducing the fraction, the answer is 2107/1080
- In mixed form: 11027/1080
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