Add 5/90 and 30/45
5/90 + 30/45 is 13/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
5/90 = 5 × 1/90 × 1 = 5/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
30/45 = 30 × 2/45 × 2 = 60/90 - Add the two like fractions:
5/90 + 60/90 = 5 + 60/90 = 65/90 - 65/90 simplified gives 13/18
- So, 5/90 + 30/45 = 13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+30/45 5/90+60/45 5/90+30/90 15/90+30/45 5/90+90/45 25/90+30/45 35/90+30/45