Add 15/36 and 15/30
15/36 + 15/30 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 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 30 × 6 = 180,
15/30 = 15 × 6/30 × 6 = 90/180 - Add the two like fractions:
75/180 + 90/180 = 75 + 90/180 = 165/180 - 165/180 simplified gives 11/12
- So, 15/36 + 15/30 = 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36+15/30 15/72+15/30 15/36+15/60 45/36+15/30 15/36+45/30 15/36+15/90 75/36+15/30 15/36+75/30