Add 4/45 and 28/9
1st number: 4/45, 2nd number: 3 1/9
4/45 + 28/9 is 16/5.
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,
4/45 = 4 × 1/45 × 1 = 4/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Add the two like fractions:
4/45 + 140/45 = 4 + 140/45 = 144/45 - 144/45 simplified gives 16/5
- So, 4/45 + 28/9 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+28/9 4/45+56/9 4/90+28/9 4/45+28/18 12/45+28/9 4/45+84/9 4/45+28/27 20/45+28/9 4/45+28/45 28/45+28/9 4/45+28/63