Subtract 45/20 from 9/54
1st number: 9/54, 2nd number: 2 5/20
9/54 - 45/20 is -25/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
9/54 = 9 × 10/54 × 10 = 90/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
45/20 = 45 × 27/20 × 27 = 1215/540 - Subtract the two like fractions:
90/540 - 1215/540 = 90 - 1215/540 = -1125/540 - After reducing the fraction, the answer is -25/12
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