Add 28/2 and 21/25
1st number: 14 0/2, 2nd number: 21/25
28/2 + 21/25 is 371/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
28/2 = 28 × 25/2 × 25 = 700/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
21/25 = 21 × 2/25 × 2 = 42/50 - Add the two like fractions:
700/50 + 42/50 = 700 + 42/50 = 742/50 - 742/50 simplified gives 371/25
- So, 28/2 + 21/25 = 371/25
In mixed form: 1421/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+21/25 28/2+42/25 28/4+21/25 28/2+21/50 84/2+21/25 28/2+63/25 28/6+21/25 28/2+21/75 28/10+21/25 28/14+21/25