Subtract 1/81 from 3/54
3/54 - 1/81 is 7/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
3/54 = 3 × 3/54 × 3 = 9/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
1/81 = 1 × 2/81 × 2 = 2/162 - Subtract the two like fractions:
9/162 - 2/162 = 9 - 2/162 = 7/162
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