Add 15/9 and 40/27
1st number: 1 6/9, 2nd number: 1 13/27
15/9 + 40/27 is 85/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 27 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 9 × 3 = 27,
15/9 = 15 × 3/9 × 3 = 45/27 - Likewise, for the 2nd fraction, since 27 × 1 = 27,
40/27 = 40 × 1/27 × 1 = 40/27 - Add the two like fractions:
45/27 + 40/27 = 45 + 40/27 = 85/27 - So, 15/9 + 40/27 = 85/27
In mixed form: 34/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+40/27 15/9+80/27 15/18+40/27 15/9+40/54 45/9+40/27 15/27+40/27 15/9+40/81 75/9+40/27 15/45+40/27 15/63+40/27