Add 2/3 and 18/20
2/3 + 18/20 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
2/3 = 2 × 20/3 × 20 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Add the two like fractions:
40/60 + 54/60 = 40 + 54/60 = 94/60 - 94/60 simplified gives 47/30
- So, 2/3 + 18/20 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3+18/20 2/3+36/20 2/6+18/20 2/3+18/40 6/3+18/20 2/3+54/20 2/9+18/20 2/3+18/60 10/3+18/20 2/3+90/20 2/15+18/20 14/3+18/20 2/21+18/20