Subtract 49/54 from 15/28
15/28 - 49/54 is -281/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
15/28 = 15 × 27/28 × 27 = 405/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
49/54 = 49 × 14/54 × 14 = 686/756 - Subtract the two like fractions:
405/756 - 686/756 = 405 - 686/756 = -281/756
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