Answers

Add 24/20 and 45/12

1^st number: 1 4/20, 2^nd number: 3 9/12

24/20 + 45/12 is 99/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   24/20 = 24 × 3/20 × 3 = 72/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   45/12 = 45 × 5/12 × 5 = 225/60
4. Add the two like fractions:
   72/60 + 225/60 = 72 + 225/60 = 297/60
5. 297/60 simplified gives 99/20
6. So, 24/20 + 45/12 = 99/20
   In mixed form: 419/20

MathStep (Works offline)

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

Related: ⁴⁸/₂₀+⁴⁵/₁₂ ²⁴/₂₀+⁹⁰/₁₂ ²⁴/₄₀+⁴⁵/₁₂ ²⁴/₂₀+⁴⁵/₂₄ ⁷²/₂₀+⁴⁵/₁₂ ²⁴/₆₀+⁴⁵/₁₂ ²⁴/₂₀+⁴⁵/₃₆ ²⁴/₂₀+⁴⁵/₆₀ ²⁴/₂₀+⁴⁵/₈₄

Add Fractions Calculator