Add 5/45 and 90/30
1st number: 5/45, 2nd number: 3 0/30
5/45 + 90/30 is 28/9.
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,
90/30 = 90 × 3/30 × 3 = 270/90 - Add the two like fractions:
10/90 + 270/90 = 10 + 270/90 = 280/90 - 280/90 simplified gives 28/9
- So, 5/45 + 90/30 = 28/9
In mixed form: 31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+90/30 5/90+90/30 5/45+90/60 15/45+90/30 25/45+90/30 35/45+90/30