Add 9/35 and 21/10
1st number: 9/35, 2nd number: 2 1/10
9/35 + 21/10 is 33/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
9/35 = 9 × 2/35 × 2 = 18/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Add the two like fractions:
18/70 + 147/70 = 18 + 147/70 = 165/70 - 165/70 simplified gives 33/14
- So, 9/35 + 21/10 = 33/14
In mixed form: 25/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/35+21/10 9/35+42/10 9/70+21/10 9/35+21/20 27/35+21/10 9/35+63/10 9/35+21/30 45/35+21/10 9/35+21/50 63/35+21/10 9/35+21/70