Add 21/9 and 6/36
1st number: 2 3/9, 2nd number: 6/36
21/9 + 6/36 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
21/9 = 21 × 4/9 × 4 = 84/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
6/36 = 6 × 1/36 × 1 = 6/36 - Add the two like fractions:
84/36 + 6/36 = 84 + 6/36 = 90/36 - 90/36 simplified gives 5/2
- So, 21/9 + 6/36 = 5/2
In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+6/36 21/9+12/36 21/18+6/36 21/9+6/72 63/9+6/36 21/9+18/36 21/27+6/36 21/9+30/36 21/45+6/36 21/9+42/36 21/63+6/36