Add 15/5 and 70/9
1st number: 3 0/5, 2nd number: 7 7/9
15/5 + 70/9 is 97/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
15/5 = 15 × 9/5 × 9 = 135/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Add the two like fractions:
135/45 + 350/45 = 135 + 350/45 = 485/45 - 485/45 simplified gives 97/9
- So, 15/5 + 70/9 = 97/9
In mixed form: 107/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+70/9 15/10+70/9 15/5+70/18 45/5+70/9 15/5+70/27 75/5+70/9 15/25+70/9 15/5+70/45 15/35+70/9 15/5+70/63