Subtract 10/15 from 40/54
40/54 - 10/15 is 2/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
10/15 = 10 × 18/15 × 18 = 180/270 - Subtract the two like fractions:
200/270 - 180/270 = 200 - 180/270 = 20/270 - After reducing the fraction, the answer is 2/27
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