Subtract 72/27 from 6/20
1st number: 6/20, 2nd number: 2 18/27
6/20 - 72/27 is -71/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
6/20 = 6 × 27/20 × 27 = 162/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
72/27 = 72 × 20/27 × 20 = 1440/540 - Subtract the two like fractions:
162/540 - 1440/540 = 162 - 1440/540 = -1278/540 - After reducing the fraction, the answer is -71/30
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