Add 15/25 and 9/24
15/25 + 9/24 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 25 × 24 = 600,
15/25 = 15 × 24/25 × 24 = 360/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
9/24 = 9 × 25/24 × 25 = 225/600 - Add the two like fractions:
360/600 + 225/600 = 360 + 225/600 = 585/600 - 585/600 simplified gives 39/40
- So, 15/25 + 9/24 = 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+9/24 15/25+18/24 15/50+9/24 15/25+9/48 45/25+9/24 15/25+27/24 15/75+9/24 15/25+9/72 75/25+9/24 15/25+45/24 15/25+63/24