Add 75/9 and 28/70
1st number: 8 3/9, 2nd number: 28/70
75/9 + 28/70 is 131/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
75/9 = 75 × 70/9 × 70 = 5250/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
5250/630 + 252/630 = 5250 + 252/630 = 5502/630 - 5502/630 simplified gives 131/15
- So, 75/9 + 28/70 = 131/15
In mixed form: 811/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9+56/70 75/18+28/70 75/9+84/70 75/27+28/70 75/45+28/70 75/63+28/70