Add 20/25 and 15/24
20/25 + 15/24 is 57/40.
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,
20/25 = 20 × 24/25 × 24 = 480/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
15/24 = 15 × 25/24 × 25 = 375/600 - Add the two like fractions:
480/600 + 375/600 = 480 + 375/600 = 855/600 - 855/600 simplified gives 57/40
- So, 20/25 + 15/24 = 57/40
In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+15/24 20/25+30/24 20/50+15/24 20/25+15/48 60/25+15/24 20/25+45/24 20/75+15/24 20/25+15/72 20/25+75/24