Add 9/5 and 28/20
1st number: 1 4/5, 2nd number: 1 8/20
9/5 + 28/20 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
9/5 = 9 × 4/5 × 4 = 36/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
28/20 = 28 × 1/20 × 1 = 28/20 - Add the two like fractions:
36/20 + 28/20 = 36 + 28/20 = 64/20 - 64/20 simplified gives 16/5
- So, 9/5 + 28/20 = 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: 18/5+28/20 9/5+56/20 9/10+28/20 9/5+28/40 27/5+28/20 9/5+84/20 9/15+28/20 9/5+28/60 45/5+28/20 9/25+28/20 63/5+28/20 9/35+28/20