Subtract 6/27 from 81/20
1st number: 4 1/20, 2nd number: 6/27
81/20 - 6/27 is 689/180.
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,
81/20 = 81 × 27/20 × 27 = 2187/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
6/27 = 6 × 20/27 × 20 = 120/540 - Subtract the two like fractions:
2187/540 - 120/540 = 2187 - 120/540 = 2067/540 - After reducing the fraction, the answer is 689/180
- In mixed form: 3149/180
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