Add 5/20 and 1/9
5/20 + 1/9 is 13/36.
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,
5/20 = 5 × 9/20 × 9 = 45/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
1/9 = 1 × 20/9 × 20 = 20/180 - Add the two like fractions:
45/180 + 20/180 = 45 + 20/180 = 65/180 - 65/180 simplified gives 13/36
- So, 5/20 + 1/9 = 13/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+1/9 5/20+2/9 5/40+1/9 5/20+1/18 15/20+1/9 5/20+3/9 5/60+1/9 5/20+1/27 25/20+1/9 5/20+5/9 5/20+1/45 35/20+1/9 5/20+7/9 5/20+1/63