Subtract 2/81 from 3/6
3/6 - 2/81 is 77/162.
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,
3/6 = 3 × 27/6 × 27 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
2/81 = 2 × 2/81 × 2 = 4/162 - Subtract the two like fractions:
81/162 - 4/162 = 81 - 4/162 = 77/162
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