Add 2/75 and 28/21
1st number: 2/75, 2nd number: 1 7/21
2/75 + 28/21 is 34/25.
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,
2/75 = 2 × 7/75 × 7 = 14/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
28/21 = 28 × 25/21 × 25 = 700/525 - Add the two like fractions:
14/525 + 700/525 = 14 + 700/525 = 714/525 - 714/525 simplified gives 34/25
- So, 2/75 + 28/21 = 34/25
In mixed form: 19/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/75+28/21 2/75+56/21 2/75+28/42 6/75+28/21 2/75+84/21 2/75+28/63 10/75+28/21 14/75+28/21