Answers

Add 20/6 and 21/54

1^st number: 3 2/6, 2^nd number: 21/54

20/6 + 21/54 is 67/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 54 is 54
2. For the 1st fraction, since 6 × 9 = 54,
   20/6 = 20 × 9/6 × 9 = 180/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   21/54 = 21 × 1/54 × 1 = 21/54
4. Add the two fractions:
   180/54 + 21/54 = 180 + 21/54 = 201/54
5. After reducing the fraction, the answer is 67/18
6. In mixed form: 313/18

MathStep (Works offline)

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

Related: ⁴⁰/₆+²¹/₅₄ ²⁰/₆+⁴²/₅₄ ²⁰/₁₂+²¹/₅₄ ⁶⁰/₆+²¹/₅₄ ²⁰/₆+⁶³/₅₄ ²⁰/₁₈+²¹/₅₄ ²⁰/₃₀+²¹/₅₄ ²⁰/₄₂+²¹/₅₄

Add Fractions Calculator