Add 80/9 and 18/70
1st number: 8 8/9, 2nd number: 18/70
80/9 + 18/70 is 2881/315.
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,
80/9 = 80 × 70/9 × 70 = 5600/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
18/70 = 18 × 9/70 × 9 = 162/630 - Add the two like fractions:
5600/630 + 162/630 = 5600 + 162/630 = 5762/630 - 5762/630 simplified gives 2881/315
- So, 80/9 + 18/70 = 2881/315
In mixed form: 946/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+36/70 80/18+18/70 80/9+54/70 80/27+18/70 80/9+90/70 80/45+18/70 80/63+18/70