Add 80/7 and 56/9
1st number: 11 3/7, 2nd number: 6 2/9
80/7 + 56/9 is 1112/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
80/7 = 80 × 9/7 × 9 = 720/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
56/9 = 56 × 7/9 × 7 = 392/63 - Add the two like fractions:
720/63 + 392/63 = 720 + 392/63 = 1112/63 - So, 80/7 + 56/9 = 1112/63
In mixed form: 1741/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+56/9 80/7+56/18 80/21+56/9 80/7+56/27 80/35+56/9 80/7+56/45 80/49+56/9 80/7+56/63