Answers

Add 3/84 and 3/42

3/84 + 3/42 is 3/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   3/84 = 3 × 1/84 × 1 = 3/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   3/42 = 3 × 2/42 × 2 = 6/84
4. Add the two like fractions:
   3/84 + 6/84 = 3 + 6/84 = 9/84
5. 9/84 simplified gives 3/28
6. So, 3/84 + 3/42 = 3/28

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