Subtract 6/20 from 7/27
7/27 - 6/20 is -11/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
7/27 = 7 × 20/27 × 20 = 140/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
6/20 = 6 × 27/20 × 27 = 162/540 - Subtract the two like fractions:
140/540 - 162/540 = 140 - 162/540 = -22/540 - After reducing the fraction, the answer is -11/270
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