Add 30/36 and 21/10
1st number: 30/36, 2nd number: 2 1/10
30/36 + 21/10 is 44/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
21/10 = 21 × 18/10 × 18 = 378/180 - Add the two like fractions:
150/180 + 378/180 = 150 + 378/180 = 528/180 - 528/180 simplified gives 44/15
- So, 30/36 + 21/10 = 44/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+21/10 30/36+42/10 30/72+21/10 30/36+21/20 90/36+21/10 30/36+63/10 30/36+21/30 30/36+21/50 30/36+21/70