Add 28/9 and 15/70
1st number: 3 1/9, 2nd number: 15/70
28/9 + 15/70 is 419/126.
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,
28/9 = 28 × 70/9 × 70 = 1960/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630 - Add the two like fractions:
1960/630 + 135/630 = 1960 + 135/630 = 2095/630 - 2095/630 simplified gives 419/126
- So, 28/9 + 15/70 = 419/126
In mixed form: 341/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+15/70 28/9+30/70 28/18+15/70 84/9+15/70 28/9+45/70 28/27+15/70 28/9+75/70 28/45+15/70 28/63+15/70