Add 14/21 and 28/25
1st number: 14/21, 2nd number: 1 3/25
14/21 + 28/25 is 134/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
14/21 = 14 × 25/21 × 25 = 350/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
28/25 = 28 × 21/25 × 21 = 588/525 - Add the two like fractions:
350/525 + 588/525 = 350 + 588/525 = 938/525 - 938/525 simplified gives 134/75
- So, 14/21 + 28/25 = 134/75
In mixed form: 159/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+28/25 14/21+56/25 14/42+28/25 14/21+28/50 42/21+28/25 14/21+84/25 14/63+28/25 14/21+28/75 70/21+28/25 98/21+28/25