Add 18/20 and 1/6
18/20 + 1/6 is 16/15.
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,
18/20 = 18 × 3/20 × 3 = 54/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
1/6 = 1 × 10/6 × 10 = 10/60 - Add the two like fractions:
54/60 + 10/60 = 54 + 10/60 = 64/60 - 64/60 simplified gives 16/15
- So, 18/20 + 1/6 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+1/6 18/20+2/6 18/40+1/6 18/20+1/12 54/20+1/6 18/20+3/6 18/60+1/6 18/20+1/18 90/20+1/6 18/20+5/6 18/20+1/30 18/20+7/6 18/20+1/42