Answers

Add 28/21 and 48/75

1^st number: 1 7/21, 2^nd number: 48/75

28/21 + 48/75 is 148/75.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 21 × 25 = 525,
   28/21 = 28 × 25/21 × 25 = 700/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   48/75 = 48 × 7/75 × 7 = 336/525
4. Add the two like fractions:
   700/525 + 336/525 = 700 + 336/525 = 1036/525
5. 1036/525 simplified gives 148/75
6. So, 28/21 + 48/75 = 148/75
   In mixed form: 173/75

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁶/₂₁+⁴⁸/₇₅ ²⁸/₂₁+⁹⁶/₇₅ ²⁸/₄₂+⁴⁸/₇₅ ⁸⁴/₂₁+⁴⁸/₇₅ ²⁸/₆₃+⁴⁸/₇₅

Add Fractions Calculator