Add 21/6 and 21/3
1st number: 3 3/6, 2nd number: 7 0/3
216 + 213 is 212.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 3 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 6 × 1 = 6,
216 = 21 × 16 × 1 = 216 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
213 = 21 × 23 × 2 = 426 - Add the two like fractions:
216 + 426 = 21 + 426 = 636 - 63/6 simplified gives 212
- So, 21/6 + 21/3 = 21/2
In mixed form: 1012
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+21/3 21/6+42/3 21/12+21/3 21/6+21/6 63/6+21/3 21/6+63/3 21/18+21/3 21/6+21/9 21/30+21/3 21/6+21/15 21/42+21/3