Subtract 60/80 from 40/54
40/54 - 60/80 is -1/108.
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,
40/54 = 40 × 40/54 × 40 = 1600/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
60/80 = 60 × 27/80 × 27 = 1620/2160 - Subtract the two like fractions:
1600/2160 - 1620/2160 = 1600 - 1620/2160 = -20/2160 - After reducing the fraction, the answer is -1/108
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Related: 80/54-60/80