Add 20/6 and 45/18
1st number: 3 2/6, 2nd number: 2 9/18
20/6 + 45/18 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
20/6 = 20 × 3/6 × 3 = 60/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
45/18 = 45 × 1/18 × 1 = 45/18 - Add the two like fractions:
60/18 + 45/18 = 60 + 45/18 = 105/18 - 105/18 simplified gives 35/6
- So, 20/6 + 45/18 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6+45/18 20/6+90/18 20/12+45/18 20/6+45/36 60/6+45/18 20/18+45/18 20/6+45/54 20/30+45/18 20/6+45/90 20/42+45/18