Add 15/60 and 24/90
15/60 + 24/90 is 31/60.
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,
24/90 = 24 × 2/90 × 2 = 48/180 - Add the two like fractions:
45/180 + 48/180 = 45 + 48/180 = 93/180 - 93/180 simplified gives 31/60
- So, 15/60 + 24/90 = 31/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+24/90 15/60+48/90 45/60+24/90 15/60+72/90 75/60+24/90