Add 15/60 and 6/90
15/60 + 6/90 is 19/60.
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,
15/60 = 15 × 3/60 × 3 = 45/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Add the two like fractions:
45/180 + 12/180 = 45 + 12/180 = 57/180 - 57/180 simplified gives 19/60
- So, 15/60 + 6/90 = 19/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+6/90 15/60+12/90 45/60+6/90 15/60+18/90 75/60+6/90 15/60+30/90 15/60+42/90