Add 70/9 and 40/15
1st number: 7 7/9, 2nd number: 2 10/15
70/9 + 40/15 is 94/9.
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,
40/15 = 40 × 3/15 × 3 = 120/45 - Add the two like fractions:
350/45 + 120/45 = 350 + 120/45 = 470/45 - 470/45 simplified gives 94/9
- So, 70/9 + 40/15 = 94/9
In mixed form: 104/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+80/15 70/18+40/15 70/9+40/30 70/27+40/15 70/9+40/45 70/45+40/15 70/9+40/75 70/63+40/15