Subtract 25/40 from 24/54
24/54 - 25/40 is -13/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 54 × 20 = 1080,
24/54 = 24 × 20/54 × 20 = 480/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
25/40 = 25 × 27/40 × 27 = 675/1080 - Subtract the two like fractions:
480/1080 - 675/1080 = 480 - 675/1080 = -195/1080 - After reducing the fraction, the answer is -13/72
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