Subtract 3/81 from 10/9
1st number: 1 1/9, 2nd number: 3/81
10/9 - 3/81 is 29/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
10/9 = 10 × 9/9 × 9 = 90/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
3/81 = 3 × 1/81 × 1 = 3/81 - Subtract the two like fractions:
90/81 - 3/81 = 90 - 3/81 = 87/81 - After reducing the fraction, the answer is 29/27
- In mixed form: 12/27
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