Add 64/21 and 2/25
1st number: 3 1/21, 2nd number: 2/25
64/21 + 2/25 is 1642/525.
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,
64/21 = 64 × 25/21 × 25 = 1600/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
2/25 = 2 × 21/25 × 21 = 42/525 - Add the two like fractions:
1600/525 + 42/525 = 1600 + 42/525 = 1642/525 - So, 64/21 + 2/25 = 1642/525
In mixed form: 367/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21+4/25 64/42+2/25 64/21+2/50 64/21+6/25 64/63+2/25 64/21+2/75 64/21+10/25 64/21+14/25