Add 70/9 and 16/15
1st number: 7 7/9, 2nd number: 1 1/15
70/9 + 16/15 is 398/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
16/15 = 16 × 3/15 × 3 = 48/45 - Add the two like fractions:
350/45 + 48/45 = 350 + 48/45 = 398/45 - So, 70/9 + 16/15 = 398/45
In mixed form: 838/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+32/15 70/18+16/15 70/9+16/30 70/9+48/15 70/27+16/15 70/9+16/45 70/9+80/15 70/45+16/15 70/9+16/75 70/63+16/15