Add 21/6 and 36/4
1st number: 3 3/6, 2nd number: 9 0/4
21/6 + 36/4 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
36/4 = 36 × 3/4 × 3 = 108/12 - Add the two like fractions:
42/12 + 108/12 = 42 + 108/12 = 150/12 - 150/12 simplified gives 25/2
- So, 21/6 + 36/4 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+36/4 21/6+72/4 21/12+36/4 21/6+36/8 63/6+36/4 21/18+36/4 21/6+36/12 21/30+36/4 21/6+36/20 21/42+36/4 21/6+36/28