Add 5/45 and 28/30
5/45 + 28/30 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
28/30 = 28 × 3/30 × 3 = 84/90 - Add the two like fractions:
10/90 + 84/90 = 10 + 84/90 = 94/90 - 94/90 simplified gives 47/45
- So, 5/45 + 28/30 = 47/45
In mixed form: 12/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+28/30 5/45+56/30 5/90+28/30 5/45+28/60 15/45+28/30 5/45+84/30 5/45+28/90 25/45+28/30 35/45+28/30