Add 8/70 and 15/7
1st number: 8/70, 2nd number: 2 1/7
8/70 + 15/7 is 79/35.
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,
8/70 = 8 × 1/70 × 1 = 8/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
15/7 = 15 × 10/7 × 10 = 150/70 - Add the two like fractions:
8/70 + 150/70 = 8 + 150/70 = 158/70 - 158/70 simplified gives 79/35
- So, 8/70 + 15/7 = 79/35
In mixed form: 29/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70+15/7 8/70+30/7 8/70+15/14 24/70+15/7 8/70+45/7 8/70+15/21 40/70+15/7 8/70+75/7 8/70+15/35 56/70+15/7 8/70+15/49