Subtract 56/80 from 28/54
28/54 - 56/80 is -49/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
28/54 = 28 × 40/54 × 40 = 1120/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
56/80 = 56 × 27/80 × 27 = 1512/2160 - Subtract the two like fractions:
1120/2160 - 1512/2160 = 1120 - 1512/2160 = -392/2160 - After reducing the fraction, the answer is -49/270
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