Add 15/9 and 70/4
1st number: 1 6/9, 2nd number: 17 2/4
15/9 + 70/4 is 115/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Add the two like fractions:
60/36 + 630/36 = 60 + 630/36 = 690/36 - 690/36 simplified gives 115/6
- So, 15/9 + 70/4 = 115/6
In mixed form: 191/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+70/4 15/18+70/4 15/9+70/8 45/9+70/4 15/27+70/4 15/9+70/12 75/9+70/4 15/45+70/4 15/9+70/20 15/63+70/4 15/9+70/28