Subtract 20/81 from 54/6
1st number: 9 0/6, 2nd number: 20/81
54/6 - 20/81 is 709/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
54/6 = 54 × 27/6 × 27 = 1458/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
20/81 = 20 × 2/81 × 2 = 40/162 - Subtract the two like fractions:
1458/162 - 40/162 = 1458 - 40/162 = 1418/162 - After reducing the fraction, the answer is 709/81
- In mixed form: 861/81
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