Add 20/60 and 20/18
1st number: 20/60, 2nd number: 1 2/18
20/60 + 20/18 is 13/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
20/60 = 20 × 3/60 × 3 = 60/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
20/18 = 20 × 10/18 × 10 = 200/180 - Add the two like fractions:
60/180 + 200/180 = 60 + 200/180 = 260/180 - 260/180 simplified gives 13/9
- So, 20/60 + 20/18 = 13/9
In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+20/18 20/60+40/18 20/60+20/36 20/60+60/18 20/60+20/54 20/60+20/90