Add 40/9 and 70/12
1st number: 4 4/9, 2nd number: 5 10/12
40/9 + 70/12 is 185/18.
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,
40/9 = 40 × 4/9 × 4 = 160/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Add the two like fractions:
160/36 + 210/36 = 160 + 210/36 = 370/36 - 370/36 simplified gives 185/18
- So, 40/9 + 70/12 = 185/18
In mixed form: 105/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9+70/12 40/18+70/12 40/9+70/24 40/27+70/12 40/9+70/36 40/45+70/12 40/9+70/60 40/63+70/12 40/9+70/84