Subtract 90/27 from 20/60
1st number: 20/60, 2nd number: 3 9/27
20/60 - 90/27 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
20/60 = 20 × 9/60 × 9 = 180/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
90/27 = 90 × 20/27 × 20 = 1800/540 - Subtract the two like fractions:
180/540 - 1800/540 = 180 - 1800/540 = -1620/540 - After reducing the fraction, the answer is -3/1
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