Add 35/8 and 21/5
1st number: 4 3/8, 2nd number: 4 1/5
35/8 + 21/5 is 343/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
35/8 = 35 × 5/8 × 5 = 175/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Add the two like fractions:
175/40 + 168/40 = 175 + 168/40 = 343/40 - So, 35/8 + 21/5 = 343/40
In mixed form: 823/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+21/5 35/8+42/5 35/16+21/5 35/8+21/10 35/8+63/5 35/24+21/5 35/8+21/15 35/40+21/5 35/8+21/25 35/56+21/5 35/8+21/35