Subtract 6/60 from 9/81
9/81 - 6/60 is 1/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
9/81 = 9 × 20/81 × 20 = 180/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
6/60 = 6 × 27/60 × 27 = 162/1620 - Subtract the two like fractions:
180/1620 - 162/1620 = 180 - 162/1620 = 18/1620 - After reducing the fraction, the answer is 1/90
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