Add 15/48 and 21/25
15/48 + 21/25 is 461/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 25 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
15/48 = 15 × 25/48 × 25 = 375/1200 - Likewise, for the 2nd fraction, since 25 × 48 = 1200,
21/25 = 21 × 48/25 × 48 = 1008/1200 - Add the two like fractions:
375/1200 + 1008/1200 = 375 + 1008/1200 = 1383/1200 - 1383/1200 simplified gives 461/400
- So, 15/48 + 21/25 = 461/400
In mixed form: 161/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/48+21/25 15/48+42/25 15/96+21/25 15/48+21/50 45/48+21/25 15/48+63/25 15/48+21/75 75/48+21/25