Add 24/3 and 15/21
1st number: 8 0/3, 2nd number: 15/21
24/3 + 15/21 is 61/7.
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,
24/3 = 24 × 7/3 × 7 = 168/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
15/21 = 15 × 1/21 × 1 = 15/21 - Add the two like fractions:
168/21 + 15/21 = 168 + 15/21 = 183/21 - 183/21 simplified gives 61/7
- So, 24/3 + 15/21 = 61/7
In mixed form: 85/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/3+15/21 24/3+30/21 24/6+15/21 24/3+15/42 72/3+15/21 24/3+45/21 24/9+15/21 24/3+15/63 24/3+75/21 24/15+15/21 24/21+15/21