Add 24/21 and 21/75
1st number: 1 3/21, 2nd number: 21/75
24/21 + 21/75 is 249/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
24/21 = 24 × 25/21 × 25 = 600/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
21/75 = 21 × 7/75 × 7 = 147/525 - Add the two like fractions:
600/525 + 147/525 = 600 + 147/525 = 747/525 - 747/525 simplified gives 249/175
- So, 24/21 + 21/75 = 249/175
In mixed form: 174/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21+21/75 24/21+42/75 24/42+21/75 72/21+21/75 24/21+63/75 24/63+21/75