Add 6/20 and 30/18
1st number: 6/20, 2nd number: 1 12/18
6/20 + 30/18 is 59/30.
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,
6/20 = 6 × 9/20 × 9 = 54/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
30/18 = 30 × 10/18 × 10 = 300/180 - Add the two like fractions:
54/180 + 300/180 = 54 + 300/180 = 354/180 - 354/180 simplified gives 59/30
- So, 6/20 + 30/18 = 59/30
In mixed form: 129/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+30/18 6/20+60/18 6/40+30/18 6/20+30/36 18/20+30/18 6/20+90/18 6/60+30/18 6/20+30/54 30/20+30/18 6/20+30/90 42/20+30/18