Add 6/9 and 28/70
6/9 + 28/70 is 16/15.
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,
6/9 = 6 × 70/9 × 70 = 420/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
420/630 + 252/630 = 420 + 252/630 = 672/630 - 672/630 simplified gives 16/15
- So, 6/9 + 28/70 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9+28/70 6/9+56/70 6/18+28/70 18/9+28/70 6/9+84/70 6/27+28/70 30/9+28/70 6/45+28/70 42/9+28/70 6/63+28/70