Add 70/18 and 8/9
1st number: 3 16/18, 2nd number: 8/9
70/18 + 8/9 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
70/18 = 70 × 1/18 × 1 = 70/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
8/9 = 8 × 2/9 × 2 = 16/18 - Add the two like fractions:
70/18 + 16/18 = 70 + 16/18 = 86/18 - 86/18 simplified gives 43/9
- So, 70/18 + 8/9 = 43/9
In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+16/9 70/36+8/9 70/18+8/18 70/18+24/9 70/54+8/9 70/18+8/27 70/18+40/9 70/90+8/9 70/18+8/45 70/18+56/9 70/18+8/63