Add 81/15 and 9/6
1st number: 5 6/15, 2nd number: 1 3/6
81/15 + 9/6 is 69/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
9/6 = 9 × 5/6 × 5 = 45/30 - Add the two like fractions:
162/30 + 45/30 = 162 + 45/30 = 207/30 - 207/30 simplified gives 69/10
- So, 81/15 + 9/6 = 69/10
In mixed form: 69/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15+18/6 81/30+9/6 81/15+9/12 81/15+27/6 81/45+9/6 81/15+9/18 81/15+45/6 81/75+9/6 81/15+9/30 81/15+63/6 81/15+9/42