Add 35/3 and 21/45
1st number: 11 2/3, 2nd number: 21/45
35/3 + 21/45 is 182/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
35/3 = 35 × 15/3 × 15 = 525/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
21/45 = 21 × 1/45 × 1 = 21/45 - Add the two like fractions:
525/45 + 21/45 = 525 + 21/45 = 546/45 - 546/45 simplified gives 182/15
- So, 35/3 + 21/45 = 182/15
In mixed form: 122/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3+21/45 35/3+42/45 35/6+21/45 35/3+21/90 35/3+63/45 35/9+21/45 35/15+21/45 35/21+21/45