Add 12/36 and 21/50
12/36 + 21/50 is 113/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
12/36 = 12 × 25/36 × 25 = 300/900 - Likewise, for the 2nd fraction, since 50 × 18 = 900,
21/50 = 21 × 18/50 × 18 = 378/900 - Add the two like fractions:
300/900 + 378/900 = 300 + 378/900 = 678/900 - 678/900 simplified gives 113/150
- So, 12/36 + 21/50 = 113/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+21/50 12/36+42/50 12/72+21/50 12/36+63/50 60/36+21/50 84/36+21/50