Add 10/27 and 1/81
10/27 + 1/81 is 31/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 27 × 3 = 81,
10/27 = 10 × 3/27 × 3 = 30/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
1/81 = 1 × 1/81 × 1 = 1/81 - Add the two like fractions:
30/81 + 1/81 = 30 + 1/81 = 31/81 - So, 10/27 + 1/81 = 31/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27+1/81 10/27+2/81 10/54+1/81 30/27+1/81 10/27+3/81 10/81+1/81 50/27+1/81 10/27+5/81 70/27+1/81 10/27+7/81