Add 4/75 and 30/21
1st number: 4/75, 2nd number: 1 9/21
4/75 + 30/21 is 778/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
4/75 = 4 × 7/75 × 7 = 28/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525 - Add the two like fractions:
28/525 + 750/525 = 28 + 750/525 = 778/525 - So, 4/75 + 30/21 = 778/525
In mixed form: 1253/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/75+30/21 4/75+60/21 4/75+30/42 12/75+30/21 4/75+90/21 4/75+30/63 20/75+30/21 28/75+30/21