Add 28/4 and 7/80
1st number: 7 0/4, 2nd number: 7/80
28/4 + 7/80 is 567/80.
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,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
560/80 + 7/80 = 560 + 7/80 = 567/80 - So, 28/4 + 7/80 = 567/80
In mixed form: 77/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+7/80 28/4+14/80 28/8+7/80 84/4+7/80 28/4+21/80 28/12+7/80 28/4+35/80 28/20+7/80 28/4+49/80