Subtract 18/54 from 9/80
9/80 - 18/54 is -53/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
9/80 = 9 × 27/80 × 27 = 243/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
18/54 = 18 × 40/54 × 40 = 720/2160 - Subtract the two like fractions:
243/2160 - 720/2160 = 243 - 720/2160 = -477/2160 - After reducing the fraction, the answer is -53/240
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