Add 10/90 and 30/60
10/90 + 30/60 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
10/90 = 10 × 2/90 × 2 = 20/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
30/60 = 30 × 3/60 × 3 = 90/180 - Add the two like fractions:
20/180 + 90/180 = 20 + 90/180 = 110/180 - 110/180 simplified gives 11/18
- So, 10/90 + 30/60 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+30/60 30/90+30/60 10/90+90/60 50/90+30/60 70/90+30/60