Add 12/20 and 18/6
1st number: 12/20, 2nd number: 3 0/6
12/20 + 18/6 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
18/6 = 18 × 10/6 × 10 = 180/60 - Add the two like fractions:
36/60 + 180/60 = 36 + 180/60 = 216/60 - 216/60 simplified gives 18/5
- So, 12/20 + 18/6 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+18/6 12/20+36/6 12/40+18/6 12/20+18/12 36/20+18/6 12/20+54/6 12/60+18/6 60/20+18/6 12/20+90/6 12/20+18/30 84/20+18/6 12/20+18/42