Answers

Add 5/12 and 90/42

1^st number: 5/12, 2^nd number: 2 6/42

5/12 + 90/42 is 215/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   5/12 = 5 × 7/12 × 7 = 35/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   90/42 = 90 × 2/42 × 2 = 180/84
4. Add the two like fractions:
   35/84 + 180/84 = 35 + 180/84 = 215/84
5. So, 5/12 + 90/42 = 215/84
   In mixed form: 247/84

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