Answers

Add 10/84 and 4/12

10/84 + 4/12 is 19/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   10/84 = 10 × 1/84 × 1 = 10/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   4/12 = 4 × 7/12 × 7 = 28/84
4. Add the two like fractions:
   10/84 + 28/84 = 10 + 28/84 = 38/84
5. 38/84 simplified gives 19/42
6. So, 10/84 + 4/12 = 19/42

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