Add 70/9 and 8/18
1st number: 7 7/9, 2nd number: 8/18
70/9 + 8/18 is 74/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
70/9 = 70 × 2/9 × 2 = 140/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
8/18 = 8 × 1/18 × 1 = 8/18 - Add the two like fractions:
140/18 + 8/18 = 140 + 8/18 = 148/18 - 148/18 simplified gives 74/9
- So, 70/9 + 8/18 = 74/9
In mixed form: 82/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+16/18 70/18+8/18 70/9+8/36 70/9+24/18 70/27+8/18 70/9+8/54 70/9+40/18 70/45+8/18 70/9+8/90 70/9+56/18 70/63+8/18