Add 35/20 and 15/9
1st number: 1 15/20, 2nd number: 1 6/9
35/20 + 15/9 is 41/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
35/20 = 35 × 9/20 × 9 = 315/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
15/9 = 15 × 20/9 × 20 = 300/180 - Add the two like fractions:
315/180 + 300/180 = 315 + 300/180 = 615/180 - 615/180 simplified gives 41/12
- So, 35/20 + 15/9 = 41/12
In mixed form: 35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+15/9 35/20+30/9 35/40+15/9 35/20+15/18 35/20+45/9 35/60+15/9 35/20+15/27 35/20+75/9 35/20+15/45 35/20+15/63