Add 15/6 and 81/15
1st number: 2 3/6, 2nd number: 5 6/15
15/6 + 81/15 is 79/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
15/6 = 15 × 5/6 × 5 = 75/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
81/15 = 81 × 2/15 × 2 = 162/30 - Add the two like fractions:
75/30 + 162/30 = 75 + 162/30 = 237/30 - 237/30 simplified gives 79/10
- So, 15/6 + 81/15 = 79/10
In mixed form: 79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6+81/15 15/12+81/15 15/6+81/30 45/6+81/15 15/18+81/15 15/6+81/45 75/6+81/15 15/30+81/15 15/6+81/75 15/42+81/15