Add 10/60 and 9/90
10/60 + 9/90 is 4/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
10/60 = 10 × 3/60 × 3 = 30/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
9/90 = 9 × 2/90 × 2 = 18/180 - Add the two like fractions:
30/180 + 18/180 = 30 + 18/180 = 48/180 - 48/180 simplified gives 4/15
- So, 10/60 + 9/90 = 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/60+9/90 10/60+18/90 30/60+9/90 10/60+27/90 50/60+9/90 10/60+45/90 70/60+9/90 10/60+63/90