Add 70/9 and 10/12
1st number: 7 7/9, 2nd number: 10/12
70/9 + 10/12 is 155/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
70/9 = 70 × 4/9 × 4 = 280/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
10/12 = 10 × 3/12 × 3 = 30/36 - Add the two like fractions:
280/36 + 30/36 = 280 + 30/36 = 310/36 - 310/36 simplified gives 155/18
- So, 70/9 + 10/12 = 155/18
In mixed form: 811/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9+20/12 70/18+10/12 70/9+10/24 70/9+30/12 70/27+10/12 70/9+10/36 70/9+50/12 70/45+10/12 70/9+10/60 70/9+70/12 70/63+10/12 70/9+10/84