Add 10/6 and 21/15
1st number: 1 4/6, 2nd number: 1 6/15
10/6 + 21/15 is 46/15.
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,
10/6 = 10 × 5/6 × 5 = 50/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30 - Add the two like fractions:
50/30 + 42/30 = 50 + 42/30 = 92/30 - 92/30 simplified gives 46/15
- So, 10/6 + 21/15 = 46/15
In mixed form: 31/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/6+21/15 10/6+42/15 10/12+21/15 10/6+21/30 30/6+21/15 10/6+63/15 10/18+21/15 10/6+21/45 50/6+21/15 10/30+21/15 10/6+21/75 70/6+21/15 10/42+21/15