Add 4/9 and 28/70
4/9 + 28/70 is 38/45.
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,
4/9 = 4 × 70/9 × 70 = 280/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
280/630 + 252/630 = 280 + 252/630 = 532/630 - 532/630 simplified gives 38/45
- So, 4/9 + 28/70 = 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9+28/70 4/9+56/70 4/18+28/70 12/9+28/70 4/9+84/70 4/27+28/70 20/9+28/70 4/45+28/70 28/9+28/70 4/63+28/70