Answers

Add 8/21 and 6/84

8/21 + 6/84 is 19/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   8/21 = 8 × 4/21 × 4 = 32/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   6/84 = 6 × 1/84 × 1 = 6/84
4. Add the two like fractions:
   32/84 + 6/84 = 32 + 6/84 = 38/84
5. 38/84 simplified gives 19/42
6. So, 8/21 + 6/84 = 19/42

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