Add 35/18 and 20/12
1st number: 1 17/18, 2nd number: 1 8/12
35/18 + 20/12 is 65/18.
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,
20/12 = 20 × 3/12 × 3 = 60/36 - Add the two like fractions:
70/36 + 60/36 = 70 + 60/36 = 130/36 - 130/36 simplified gives 65/18
- So, 35/18 + 20/12 = 65/18
In mixed form: 311/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+20/12 35/18+40/12 35/36+20/12 35/18+20/24 35/18+60/12 35/54+20/12 35/18+20/36 35/90+20/12 35/18+20/60 35/18+20/84