Add 70/9 and 12/10
1st number: 7 7/9, 2nd number: 1 2/10
70/9 + 12/10 is 404/45.
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,
70/9 = 70 × 10/9 × 10 = 700/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
12/10 = 12 × 9/10 × 9 = 108/90 - Add the two like fractions:
700/90 + 108/90 = 700 + 108/90 = 808/90 - 808/90 simplified gives 404/45
- So, 70/9 + 12/10 = 404/45
In mixed form: 844/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+24/10 70/18+12/10 70/9+12/20 70/9+36/10 70/27+12/10 70/9+12/30 70/9+60/10 70/45+12/10 70/9+12/50 70/9+84/10 70/63+12/10 70/9+12/70