Add 15/90 and 9/24
15/90 + 9/24 is 13/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
9/24 = 9 × 15/24 × 15 = 135/360 - Add the two like fractions:
60/360 + 135/360 = 60 + 135/360 = 195/360 - 195/360 simplified gives 13/24
- So, 15/90 + 9/24 = 13/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90+9/24 15/90+18/24 15/90+9/48 45/90+9/24 15/90+27/24 15/90+9/72 75/90+9/24 15/90+45/24 15/90+63/24