Subtract 18/60 from 9/54
9/54 - 18/60 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
9/54 = 9 × 10/54 × 10 = 90/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
18/60 = 18 × 9/60 × 9 = 162/540 - Subtract the two like fractions:
90/540 - 162/540 = 90 - 162/540 = -72/540 - After reducing the fraction, the answer is -2/15
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