Add 9/70 and 15/7
1st number: 9/70, 2nd number: 2 1/7
9/70 + 15/7 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
9/70 = 9 × 1/70 × 1 = 9/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
15/7 = 15 × 10/7 × 10 = 150/70 - Add the two like fractions:
9/70 + 150/70 = 9 + 150/70 = 159/70 - So, 9/70 + 15/7 = 159/70
In mixed form: 219/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+15/7 9/70+30/7 9/70+15/14 27/70+15/7 9/70+45/7 9/70+15/21 45/70+15/7 9/70+75/7 9/70+15/35 63/70+15/7 9/70+15/49