Add 25/36 and 36/20
1st number: 25/36, 2nd number: 1 16/20
25/36 + 36/20 is 449/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Add the two like fractions:
125/180 + 324/180 = 125 + 324/180 = 449/180 - So, 25/36 + 36/20 = 449/180
In mixed form: 289/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+36/20 25/36+72/20 25/72+36/20 25/36+36/40 75/36+36/20 25/36+36/60