Add 25/9 and 70/12
1st number: 2 7/9, 2nd number: 5 10/12
25/9 + 70/12 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,
25/9 = 25 × 4/9 × 4 = 100/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Add the two like fractions:
100/36 + 210/36 = 100 + 210/36 = 310/36 - 310/36 simplified gives 155/18
- So, 25/9 + 70/12 = 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: 50/9+70/12 25/18+70/12 25/9+70/24 75/9+70/12 25/27+70/12 25/9+70/36 25/45+70/12 25/9+70/60 25/63+70/12 25/9+70/84