Add 8/9 and 70/90
8/9 + 70/90 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
8/9 = 8 × 10/9 × 10 = 80/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
80/90 + 70/90 = 80 + 70/90 = 150/90 - 150/90 simplified gives 5/3
- So, 8/9 + 70/90 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9+70/90 8/18+70/90 24/9+70/90 8/27+70/90 40/9+70/90 8/45+70/90 56/9+70/90 8/63+70/90