Add 21/8 and 35/3
1st number: 2 5/8, 2nd number: 11 2/3
21/8 + 35/3 is 343/24.
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,
21/8 = 21 × 3/8 × 3 = 63/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
35/3 = 35 × 8/3 × 8 = 280/24 - Add the two like fractions:
63/24 + 280/24 = 63 + 280/24 = 343/24 - So, 21/8 + 35/3 = 343/24
In mixed form: 147/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8+35/3 21/8+70/3 21/16+35/3 21/8+35/6 63/8+35/3 21/24+35/3 21/8+35/9 21/40+35/3 21/8+35/15 21/56+35/3 21/8+35/21