Subtract 90/60 from 1/27
1st number: 1/27, 2nd number: 1 30/60
1/27 - 90/60 is -79/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
1/27 = 1 × 20/27 × 20 = 20/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
90/60 = 90 × 9/60 × 9 = 810/540 - Subtract the two like fractions:
20/540 - 810/540 = 20 - 810/540 = -790/540 - After reducing the fraction, the answer is -79/54
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