Add 28/45 and 80/6
1st number: 28/45, 2nd number: 13 2/6
28/45 + 80/6 is 628/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
80/6 = 80 × 15/6 × 15 = 1200/90 - Add the two like fractions:
56/90 + 1200/90 = 56 + 1200/90 = 1256/90 - 1256/90 simplified gives 628/45
- So, 28/45 + 80/6 = 628/45
In mixed form: 1343/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+80/6 28/90+80/6 28/45+80/12 84/45+80/6 28/45+80/18 28/45+80/30 28/45+80/42