Subtract 40/54 from 25/45
25/45 - 40/54 is -5/27.
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,
25/45 = 25 × 6/45 × 6 = 150/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Subtract the two like fractions:
150/270 - 200/270 = 150 - 200/270 = -50/270 - After reducing the fraction, the answer is -5/27
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