Add 15/9 and 35/7
1st number: 1 6/9, 2nd number: 5 0/7
15/9 + 35/7 is 20/3.
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,
15/9 = 15 × 7/9 × 7 = 105/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
35/7 = 35 × 9/7 × 9 = 315/63 - Add the two like fractions:
105/63 + 315/63 = 105 + 315/63 = 420/63 - 420/63 simplified gives 20/3
- So, 15/9 + 35/7 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+35/7 15/9+70/7 15/18+35/7 15/9+35/14 45/9+35/7 15/27+35/7 15/9+35/21 75/9+35/7 15/45+35/7 15/63+35/7 15/9+35/49