Add 35/18 and 70/12
1st number: 1 17/18, 2nd number: 5 10/12
35/18 + 70/12 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
35/18 = 35 × 2/18 × 2 = 70/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Add the two like fractions:
70/36 + 210/36 = 70 + 210/36 = 280/36 - 280/36 simplified gives 70/9
- So, 35/18 + 70/12 = 70/9
In mixed form: 77/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+70/12 35/36+70/12 35/18+70/24 35/54+70/12 35/18+70/36 35/90+70/12 35/18+70/60 35/18+70/84