Add 21/35 and 36/9
1st number: 21/35, 2nd number: 4 0/9
21/35 + 36/9 is 23/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
36/9 = 36 × 35/9 × 35 = 1260/315 - Add the two like fractions:
189/315 + 1260/315 = 189 + 1260/315 = 1449/315 - 1449/315 simplified gives 23/5
- So, 21/35 + 36/9 = 23/5
In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35+36/9 21/35+72/9 21/70+36/9 21/35+36/18 63/35+36/9 21/35+36/27 21/35+36/45 21/35+36/63