Subtract 9/28 from 9/54
9/54 - 9/28 is -13/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
9/54 = 9 × 14/54 × 14 = 126/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
9/28 = 9 × 27/28 × 27 = 243/756 - Subtract the two like fractions:
126/756 - 243/756 = 126 - 243/756 = -117/756 - After reducing the fraction, the answer is -13/84
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