Add 20/18 and 45/6
1st number: 1 2/18, 2nd number: 7 3/6
20/18 + 45/6 is 155/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
45/6 = 45 × 3/6 × 3 = 135/18 - Add the two like fractions:
20/18 + 135/18 = 20 + 135/18 = 155/18 - So, 20/18 + 45/6 = 155/18
In mixed form: 811/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+45/6 20/18+90/6 20/36+45/6 20/18+45/12 60/18+45/6 20/54+45/6 20/18+45/18 20/90+45/6 20/18+45/30 20/18+45/42