Answers

Add 24/21 and 25/42

1^st number: 1 3/21, 2^nd number: 25/42

24/21 + 25/42 is 73/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   24/21 = 24 × 2/21 × 2 = 48/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   25/42 = 25 × 1/42 × 1 = 25/42
4. Add the two like fractions:
   48/42 + 25/42 = 48 + 25/42 = 73/42
5. So, 24/21 + 25/42 = 73/42
   In mixed form: 131/42

MathStep (Works offline)

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

Related: ⁴⁸/₂₁+²⁵/₄₂ ²⁴/₂₁+⁵⁰/₄₂ ²⁴/₄₂+²⁵/₄₂ ²⁴/₂₁+²⁵/₈₄ ⁷²/₂₁+²⁵/₄₂ ²⁴/₂₁+⁷⁵/₄₂ ²⁴/₆₃+²⁵/₄₂

Add Fractions Calculator