Add 6/27 and 72/81
6/27 + 72/81 is 10/9.
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,
6/27 = 6 × 3/27 × 3 = 18/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
72/81 = 72 × 1/81 × 1 = 72/81 - Add the two like fractions:
18/81 + 72/81 = 18 + 72/81 = 90/81 - 90/81 simplified gives 10/9
- So, 6/27 + 72/81 = 10/9
In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27+72/81 6/54+72/81 18/27+72/81 6/81+72/81 30/27+72/81 42/27+72/81