Add 2/42 and 15/9
1st number: 2/42, 2nd number: 1 6/9
2/42 + 15/9 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
2/42 = 2 × 3/42 × 3 = 6/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126 - Add the two like fractions:
6/126 + 210/126 = 6 + 210/126 = 216/126 - 216/126 simplified gives 12/7
- So, 2/42 + 15/9 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+15/9 2/42+30/9 2/84+15/9 2/42+15/18 6/42+15/9 2/42+45/9 2/42+15/27 10/42+15/9 2/42+75/9 2/42+15/45 14/42+15/9 2/42+15/63