Add 7/42 and 21/6
1st number: 7/42, 2nd number: 3 3/6
7/42 + 21/6 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Add the two like fractions:
7/42 + 147/42 = 7 + 147/42 = 154/42 - 154/42 simplified gives 11/3
- So, 7/42 + 21/6 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+21/6 7/42+42/6 7/84+21/6 7/42+21/12 21/42+21/6 7/42+63/6 7/42+21/18 35/42+21/6 7/42+21/30 49/42+21/6 7/42+21/42