Add 10/6 and 21/42
1st number: 1 4/6, 2nd number: 21/42
10/6 + 21/42 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
10/6 = 10 × 7/6 × 7 = 70/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Add the two like fractions:
70/42 + 21/42 = 70 + 21/42 = 91/42 - 91/42 simplified gives 13/6
- So, 10/6 + 21/42 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/6+21/42 10/12+21/42 10/6+21/84 30/6+21/42 10/6+63/42 10/18+21/42 50/6+21/42 10/30+21/42 70/6+21/42 10/42+21/42