Add 9/2 and 28/80
1st number: 4 1/2, 2nd number: 28/80
9/2 + 28/80 is 97/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
9/2 = 9 × 40/2 × 40 = 360/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Add the two like fractions:
360/80 + 28/80 = 360 + 28/80 = 388/80 - 388/80 simplified gives 97/20
- So, 9/2 + 28/80 = 97/20
In mixed form: 417/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+28/80 9/2+56/80 9/4+28/80 27/2+28/80 9/2+84/80 9/6+28/80 45/2+28/80 9/10+28/80 63/2+28/80 9/14+28/80