Add 28/9 and 70/10
1st number: 3 1/9, 2nd number: 7 0/10
28/9 + 70/10 is 91/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
28/9 = 28 × 10/9 × 10 = 280/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Add the two like fractions:
280/90 + 630/90 = 280 + 630/90 = 910/90 - 910/90 simplified gives 91/9
- So, 28/9 + 70/10 = 91/9
In mixed form: 101/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+70/10 28/18+70/10 28/9+70/20 84/9+70/10 28/27+70/10 28/9+70/30 28/45+70/10 28/9+70/50 28/63+70/10