Add 56/21 and 18/25
1st number: 2 14/21, 2nd number: 18/25
56/21 + 18/25 is 254/75.
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,
56/21 = 56 × 25/21 × 25 = 1400/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
18/25 = 18 × 21/25 × 21 = 378/525 - Add the two like fractions:
1400/525 + 378/525 = 1400 + 378/525 = 1778/525 - 1778/525 simplified gives 254/75
- So, 56/21 + 18/25 = 254/75
In mixed form: 329/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+36/25 56/42+18/25 56/21+18/50 56/21+54/25 56/63+18/25 56/21+18/75 56/21+90/25