Subtract 2/6 from 1/81
1/81 - 2/6 is -26/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
1/81 = 1 × 2/81 × 2 = 2/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
2/6 = 2 × 27/6 × 27 = 54/162 - Subtract the two like fractions:
2/162 - 54/162 = 2 - 54/162 = -52/162 - After reducing the fraction, the answer is -26/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81-2/6 1/81-4/6 1/81-2/12 3/81-2/6 1/81-2/18 5/81-2/6 1/81-10/6 1/81-2/30 7/81-2/6 1/81-14/6 1/81-2/42