Add 35/9 and 15/7
1st number: 3 8/9, 2nd number: 2 1/7
35/9 + 15/7 is 380/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
35/9 = 35 × 7/9 × 7 = 245/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
15/7 = 15 × 9/7 × 9 = 135/63 - Add the two like fractions:
245/63 + 135/63 = 245 + 135/63 = 380/63 - So, 35/9 + 15/7 = 380/63
In mixed form: 62/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+15/7 35/9+30/7 35/18+15/7 35/9+15/14 35/9+45/7 35/27+15/7 35/9+15/21 35/9+75/7 35/45+15/7 35/9+15/35 35/63+15/7 35/9+15/49