Add 8/18 and 36/20
1st number: 8/18, 2nd number: 1 16/20
8/18 + 36/20 is 101/45.
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,
8/18 = 8 × 10/18 × 10 = 80/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Add the two like fractions:
80/180 + 324/180 = 80 + 324/180 = 404/180 - 404/180 simplified gives 101/45
- So, 8/18 + 36/20 = 101/45
In mixed form: 211/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+36/20 8/18+72/20 8/36+36/20 8/18+36/40 24/18+36/20 8/54+36/20 8/18+36/60 40/18+36/20 8/90+36/20 56/18+36/20