Answers

Add 10/42 and 84/24

1^st number: 10/42, 2^nd number: 3 12/24

10/42 + 84/24 is 157/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   10/42 = 10 × 4/42 × 4 = 40/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   84/24 = 84 × 7/24 × 7 = 588/168
4. Add the two like fractions:
   40/168 + 588/168 = 40 + 588/168 = 628/168
5. 628/168 simplified gives 157/42
6. So, 10/42 + 84/24 = 157/42
   In mixed form: 331/42

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