Add 28/4 and 5/80
1st number: 7 0/4, 2nd number: 5/80
28/4 + 5/80 is 113/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
28/4 = 28 × 20/4 × 20 = 560/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
5/80 = 5 × 1/80 × 1 = 5/80 - Add the two like fractions:
560/80 + 5/80 = 560 + 5/80 = 565/80 - 565/80 simplified gives 113/16
- So, 28/4 + 5/80 = 113/16
In mixed form: 71/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+5/80 28/4+10/80 28/8+5/80 84/4+5/80 28/4+15/80 28/12+5/80 28/4+25/80 28/20+5/80 28/4+35/80