Add 21/9 and 9/35
1st number: 2 3/9, 2nd number: 9/35
21/9 + 9/35 is 272/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
21/9 = 21 × 35/9 × 35 = 735/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
9/35 = 9 × 9/35 × 9 = 81/315 - Add the two like fractions:
735/315 + 81/315 = 735 + 81/315 = 816/315 - 816/315 simplified gives 272/105
- So, 21/9 + 9/35 = 272/105
In mixed form: 262/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+9/35 21/9+18/35 21/18+9/35 21/9+9/70 63/9+9/35 21/9+27/35 21/27+9/35 21/9+45/35 21/45+9/35 21/9+63/35 21/63+9/35