Add 21/6 and 36/3
1st number: 3 3/6, 2nd number: 12 0/3
21/6 + 36/3 is 31/2.
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,
21/6 = 21 × 1/6 × 1 = 21/6 - Likewise, for the 2nd fraction, since 3 × 2 = 6,
36/3 = 36 × 2/3 × 2 = 72/6 - Add the two like fractions:
21/6 + 72/6 = 21 + 72/6 = 93/6 - 93/6 simplified gives 31/2
- So, 21/6 + 36/3 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+36/3 21/6+72/3 21/12+36/3 21/6+36/6 63/6+36/3 21/18+36/3 21/6+36/9 21/30+36/3 21/6+36/15 21/42+36/3 21/6+36/21