Answers

Add 20/84 and 4/24

20/84 + 4/24 is 17/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   20/84 = 20 × 2/84 × 2 = 40/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   4/24 = 4 × 7/24 × 7 = 28/168
4. Add the two like fractions:
   40/168 + 28/168 = 40 + 28/168 = 68/168
5. 68/168 simplified gives 17/42
6. So, 20/84 + 4/24 = 17/42

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