Subtract 30/81 from 20/9
1st number: 2 2/9, 2nd number: 30/81
20/9 - 30/81 is 50/27.
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,
20/9 = 20 × 9/9 × 9 = 180/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
30/81 = 30 × 1/81 × 1 = 30/81 - Subtract the two like fractions:
180/81 - 30/81 = 180 - 30/81 = 150/81 - After reducing the fraction, the answer is 50/27
- In mixed form: 123/27
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