Add 20/35 and 15/9
1st number: 20/35, 2nd number: 1 6/9
20/35 + 15/9 is 47/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
15/9 = 15 × 35/9 × 35 = 525/315 - Add the two like fractions:
180/315 + 525/315 = 180 + 525/315 = 705/315 - 705/315 simplified gives 47/21
- So, 20/35 + 15/9 = 47/21
In mixed form: 25/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/35+15/9 20/35+30/9 20/70+15/9 20/35+15/18 60/35+15/9 20/35+45/9 20/35+15/27 20/35+75/9 20/35+15/45 20/35+15/63