Subtract 6/54 from 15/40
15/40 - 6/54 is 19/72.
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,
15/40 = 15 × 27/40 × 27 = 405/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
6/54 = 6 × 20/54 × 20 = 120/1080 - Subtract the two like fractions:
405/1080 - 120/1080 = 405 - 120/1080 = 285/1080 - After reducing the fraction, the answer is 19/72
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