Add 27/9 and 18/81
1st number: 3 0/9, 2nd number: 18/81
27/9 + 18/81 is 29/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
27/9 = 27 × 9/9 × 9 = 243/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81 - Add the two like fractions:
243/81 + 18/81 = 243 + 18/81 = 261/81 - 261/81 simplified gives 29/9
- So, 27/9 + 18/81 = 29/9
In mixed form: 32/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+18/81 27/9+36/81 27/18+18/81 81/9+18/81 27/9+54/81 27/9+90/81 27/45+18/81 27/63+18/81