Add 5/3 and 36/21
1st number: 1 2/3, 2nd number: 1 15/21
5/3 + 36/21 is 71/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
5/3 = 5 × 7/3 × 7 = 35/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
36/21 = 36 × 1/21 × 1 = 36/21 - Add the two like fractions:
35/21 + 36/21 = 35 + 36/21 = 71/21 - So, 5/3 + 36/21 = 71/21
In mixed form: 38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/3+36/21 5/3+72/21 5/6+36/21 5/3+36/42 15/3+36/21 5/9+36/21 5/3+36/63 25/3+36/21 5/15+36/21 35/3+36/21 5/21+36/21