Subtract 5/54 from 3/40
3/40 - 5/54 is -19/1080.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
3/40 = 3 × 27/40 × 27 = 81/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
5/54 = 5 × 20/54 × 20 = 100/1080 - Subtract the two like fractions:
81/1080 - 100/1080 = 81 - 100/1080 = -19/1080
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