Add 1/21 and 21/25
1/21 + 21/25 is 466/525.
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,
1/21 = 1 × 25/21 × 25 = 25/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
21/25 = 21 × 21/25 × 21 = 441/525 - Add the two like fractions:
25/525 + 441/525 = 25 + 441/525 = 466/525 - So, 1/21 + 21/25 = 466/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+21/25 1/21+42/25 1/42+21/25 1/21+21/50 3/21+21/25 1/21+63/25 1/63+21/25 1/21+21/75 5/21+21/25 7/21+21/25