Subtract 48/54 from 81/84
81/84 - 48/54 is 19/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
81/84 = 81 × 9/84 × 9 = 729/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
48/54 = 48 × 14/54 × 14 = 672/756 - Subtract the two like fractions:
729/756 - 672/756 = 729 - 672/756 = 57/756 - After reducing the fraction, the answer is 19/252
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