Add 20/18 and 6/4
1st number: 1 2/18, 2nd number: 1 2/4
20/18 + 6/4 is 47/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
6/4 = 6 × 9/4 × 9 = 54/36 - Add the two like fractions:
40/36 + 54/36 = 40 + 54/36 = 94/36 - 94/36 simplified gives 47/18
- So, 20/18 + 6/4 = 47/18
In mixed form: 211/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+6/4 20/18+12/4 20/36+6/4 20/18+6/8 60/18+6/4 20/18+18/4 20/54+6/4 20/18+6/12 20/18+30/4 20/90+6/4 20/18+6/20 20/18+42/4 20/18+6/28