Answers

Add 12/20 and 6/4

1^st number: 12/20, 2^nd number: 1 2/4

12/20 + 6/4 is 21/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   12/20 = 12 × 1/20 × 1 = 12/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   6/4 = 6 × 5/4 × 5 = 30/20
4. Add the two like fractions:
   12/20 + 30/20 = 12 + 30/20 = 42/20
5. 42/20 simplified gives 21/10
6. So, 12/20 + 6/4 = 21/10
   In mixed form: 21/10

MathStep (Works offline)

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

Related: ²⁴/₂₀+⁶/₄ ¹²/₂₀+¹²/₄ ¹²/₄₀+⁶/₄ ¹²/₂₀+⁶/₈ ³⁶/₂₀+⁶/₄ ¹²/₂₀+¹⁸/₄ ¹²/₆₀+⁶/₄ ¹²/₂₀+⁶/₁₂ ⁶⁰/₂₀+⁶/₄ ¹²/₂₀+³⁰/₄ ¹²/₂₀+⁶/₂₀ ⁸⁴/₂₀+⁶/₄ ¹²/₂₀+⁴²/₄ ¹²/₂₀+⁶/₂₈

Add Fractions Calculator