Subtract 6/81 from 18/60
18/60 - 6/81 is 61/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
18/60 = 18 × 27/60 × 27 = 486/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
6/81 = 6 × 20/81 × 20 = 120/1620 - Subtract the two like fractions:
486/1620 - 120/1620 = 486 - 120/1620 = 366/1620 - After reducing the fraction, the answer is 61/270
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