Subtract 20/81 from 27/6
1st number: 4 3/6, 2nd number: 20/81
27/6 - 20/81 is 689/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
27/6 = 27 × 27/6 × 27 = 729/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
20/81 = 20 × 2/81 × 2 = 40/162 - Subtract the two like fractions:
729/162 - 40/162 = 729 - 40/162 = 689/162 - In mixed form: 441/162
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