Subtract 10/54 from 84/81
1st number: 1 3/81, 2nd number: 10/54
84/81 - 10/54 is 23/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
84/81 = 84 × 2/81 × 2 = 168/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
10/54 = 10 × 3/54 × 3 = 30/162 - Subtract the two like fractions:
168/162 - 30/162 = 168 - 30/162 = 138/162 - After reducing the fraction, the answer is 23/27
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