Add 5/20 and 6/18
5/20 + 6/18 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 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 18 × 10 = 180,
6/18 = 6 × 10/18 × 10 = 60/180 - Add the two like fractions:
45/180 + 60/180 = 45 + 60/180 = 105/180 - 105/180 simplified gives 7/12
- So, 5/20 + 6/18 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+6/18 5/20+12/18 5/40+6/18 5/20+6/36 15/20+6/18 5/60+6/18 5/20+6/54 25/20+6/18 5/20+30/18 5/20+6/90 35/20+6/18 5/20+42/18