Add 35/8 and 21/9
1st number: 4 3/8, 2nd number: 2 3/9
35/8 + 21/9 is 161/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
35/8 = 35 × 9/8 × 9 = 315/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
21/9 = 21 × 8/9 × 8 = 168/72 - Add the two like fractions:
315/72 + 168/72 = 315 + 168/72 = 483/72 - 483/72 simplified gives 161/24
- So, 35/8 + 21/9 = 161/24
In mixed form: 617/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+21/9 35/8+42/9 35/16+21/9 35/8+21/18 35/8+63/9 35/24+21/9 35/8+21/27 35/40+21/9 35/8+21/45 35/56+21/9 35/8+21/63