Subtract 40/54 from 72/45
1st number: 1 27/45, 2nd number: 40/54
72/45 - 40/54 is 116/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
72/45 = 72 × 6/45 × 6 = 432/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Subtract the two like fractions:
432/270 - 200/270 = 432 - 200/270 = 232/270 - After reducing the fraction, the answer is 116/135
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