Add 28/5 and 36/80
1st number: 5 3/5, 2nd number: 36/80
28/5 + 36/80 is 121/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
28/5 = 28 × 16/5 × 16 = 448/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
36/80 = 36 × 1/80 × 1 = 36/80 - Add the two like fractions:
448/80 + 36/80 = 448 + 36/80 = 484/80 - 484/80 simplified gives 121/20
- So, 28/5 + 36/80 = 121/20
In mixed form: 61/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+36/80 28/5+72/80 28/10+36/80 84/5+36/80 28/15+36/80 28/25+36/80 28/35+36/80