Subtract 60/84 from 18/54
18/54 - 60/84 is -8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
18/54 = 18 × 14/54 × 14 = 252/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
60/84 = 60 × 9/84 × 9 = 540/756 - Subtract the two like fractions:
252/756 - 540/756 = 252 - 540/756 = -288/756 - After reducing the fraction, the answer is -8/21
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