Add 15/36 and 15/20
15/36 + 15/20 is 7/6.
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,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
75/180 + 135/180 = 75 + 135/180 = 210/180 - 210/180 simplified gives 7/6
- So, 15/36 + 15/20 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+15/20 15/36+30/20 15/72+15/20 15/36+15/40 45/36+15/20 15/36+45/20 15/36+15/60 75/36+15/20 15/36+75/20