Add 15/25 and 72/48
1st number: 15/25, 2nd number: 1 24/48
15/25 + 72/48 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 25 × 48 = 1200,
15/25 = 15 × 48/25 × 48 = 720/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
72/48 = 72 × 25/48 × 25 = 1800/1200 - Add the two like fractions:
720/1200 + 1800/1200 = 720 + 1800/1200 = 2520/1200 - 2520/1200 simplified gives 21/10
- So, 15/25 + 72/48 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+72/48 15/50+72/48 15/25+72/96 45/25+72/48 15/75+72/48 75/25+72/48