Add 1/18 and 36/20
1st number: 1/18, 2nd number: 1 16/20
1/18 + 36/20 is 167/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
1/18 = 1 × 10/18 × 10 = 10/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Add the two like fractions:
10/180 + 324/180 = 10 + 324/180 = 334/180 - 334/180 simplified gives 167/90
- So, 1/18 + 36/20 = 167/90
In mixed form: 177/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+36/20 1/18+72/20 1/36+36/20 1/18+36/40 3/18+36/20 1/54+36/20 1/18+36/60 5/18+36/20 1/90+36/20 7/18+36/20