Add 36/6 and 15/21
1st number: 6 0/6, 2nd number: 15/21
36/6 + 15/21 is 47/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
36/6 = 36 × 7/6 × 7 = 252/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
15/21 = 15 × 2/21 × 2 = 30/42 - Add the two like fractions:
252/42 + 30/42 = 252 + 30/42 = 282/42 - 282/42 simplified gives 47/7
- So, 36/6 + 15/21 = 47/7
In mixed form: 65/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+15/21 36/6+30/21 36/12+15/21 36/6+15/42 36/6+45/21 36/18+15/21 36/6+15/63 36/6+75/21 36/30+15/21 36/42+15/21