Answers

Add 84/42 and 24/15

1^st number: 2 0/42, 2^nd number: 1 9/15

84/42 + 24/15 is 18/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 15 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   84/42 = 84 × 5/42 × 5 = 420/210
3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
   24/15 = 24 × 14/15 × 14 = 336/210
4. Add the two like fractions:
   420/210 + 336/210 = 420 + 336/210 = 756/210
5. 756/210 simplified gives 18/5
6. So, 84/42 + 24/15 = 18/5
   In mixed form: 33/5

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