Add 35/20 and 20/9
1st number: 1 15/20, 2nd number: 2 2/9
35/20 + 20/9 is 143/36.
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,
20/9 = 20 × 20/9 × 20 = 400/180 - Add the two like fractions:
315/180 + 400/180 = 315 + 400/180 = 715/180 - 715/180 simplified gives 143/36
- So, 35/20 + 20/9 = 143/36
In mixed form: 335/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+20/9 35/20+40/9 35/40+20/9 35/20+20/18 35/20+60/9 35/60+20/9 35/20+20/27 35/20+20/45 35/20+20/63