Add 18/9 and 20/35
1st number: 2 0/9, 2nd number: 20/35
18/9 + 20/35 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
18/9 = 18 × 35/9 × 35 = 630/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Add the two like fractions:
630/315 + 180/315 = 630 + 180/315 = 810/315 - 810/315 simplified gives 18/7
- So, 18/9 + 20/35 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+20/35 18/9+40/35 18/9+20/70 54/9+20/35 18/9+60/35 18/27+20/35 90/9+20/35 18/45+20/35 18/63+20/35