Add 4/36 and 15/20
4/36 + 15/20 is 31/36.
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,
4/36 = 4 × 5/36 × 5 = 20/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
20/180 + 135/180 = 20 + 135/180 = 155/180 - 155/180 simplified gives 31/36
- So, 4/36 + 15/20 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36+15/20 4/36+30/20 4/72+15/20 4/36+15/40 12/36+15/20 4/36+45/20 4/36+15/60 20/36+15/20 4/36+75/20 28/36+15/20