Add 3/8 and 21/3
1st number: 3/8, 2nd number: 7 0/3
3/8 + 21/3 is 59/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
3/8 = 3 × 3/8 × 3 = 9/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
21/3 = 21 × 8/3 × 8 = 168/24 - Add the two like fractions:
9/24 + 168/24 = 9 + 168/24 = 177/24 - 177/24 simplified gives 59/8
- So, 3/8 + 21/3 = 59/8
In mixed form: 73/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8+21/3 3/8+42/3 3/16+21/3 3/8+21/6 9/8+21/3 3/8+63/3 3/24+21/3 3/8+21/9 15/8+21/3 3/40+21/3 3/8+21/15 21/8+21/3 3/56+21/3