Add 16/45 and 21/9
1st number: 16/45, 2nd number: 2 3/9
16/45 + 21/9 is 121/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
16/45 = 16 × 1/45 × 1 = 16/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
21/9 = 21 × 5/9 × 5 = 105/45 - Add the two like fractions:
16/45 + 105/45 = 16 + 105/45 = 121/45 - So, 16/45 + 21/9 = 121/45
In mixed form: 231/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/45+21/9 16/45+42/9 16/90+21/9 16/45+21/18 48/45+21/9 16/45+63/9 16/45+21/27 80/45+21/9 16/45+21/45 16/45+21/63