Answers

Add 24/56 and 9/21

24/56 + 9/21 is 6/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   24/56 = 24 × 3/56 × 3 = 72/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   9/21 = 9 × 8/21 × 8 = 72/168
4. Add the two like fractions:
   72/168 + 72/168 = 72 + 72/168 = 144/168
5. 144/168 simplified gives 6/7
6. So, 24/56 + 9/21 = 6/7

MathStep (Works offline)

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

Related: ⁴⁸/₅₆+⁹/₂₁ ²⁴/₅₆+¹⁸/₂₁ ²⁴/₅₆+⁹/₄₂ ⁷²/₅₆+⁹/₂₁ ²⁴/₅₆+²⁷/₂₁ ²⁴/₅₆+⁹/₆₃ ²⁴/₅₆+⁴⁵/₂₁ ²⁴/₅₆+⁶³/₂₁

Add Fractions Calculator