Add 18/4 and 20/36
1st number: 4 2/4, 2nd number: 20/36
18/4 + 20/36 is 91/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Add the two like fractions:
162/36 + 20/36 = 162 + 20/36 = 182/36 - 182/36 simplified gives 91/18
- So, 18/4 + 20/36 = 91/18
In mixed form: 51/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+20/36 18/4+40/36 18/8+20/36 18/4+20/72 54/4+20/36 18/4+60/36 18/12+20/36 90/4+20/36 18/20+20/36 18/28+20/36