Add 5/90 and 10/18
5/90 + 10/18 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 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 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Add the two like fractions:
5/90 + 50/90 = 5 + 50/90 = 55/90 - 55/90 simplified gives 11/18
- So, 5/90 + 10/18 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+10/18 5/90+20/18 5/90+10/36 15/90+10/18 5/90+30/18 5/90+10/54 25/90+10/18 5/90+50/18 5/90+10/90 35/90+10/18 5/90+70/18