Add 56/9 and 80/70
1st number: 6 2/9, 2nd number: 1 10/70
56/9 + 80/70 is 464/63.
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,
56/9 = 56 × 70/9 × 70 = 3920/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Add the two like fractions:
3920/630 + 720/630 = 3920 + 720/630 = 4640/630 - 4640/630 simplified gives 464/63
- So, 56/9 + 80/70 = 464/63
In mixed form: 723/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+80/70 56/27+80/70 56/45+80/70 56/63+80/70