Answers

Add 6/42 and 9/4

1^st number: 6/42, 2^nd number: 2 1/4

6/42 + 9/4 is 67/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   6/42 = 6 × 2/42 × 2 = 12/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   9/4 = 9 × 21/4 × 21 = 189/84
4. Add the two like fractions:
   12/84 + 189/84 = 12 + 189/84 = 201/84
5. 201/84 simplified gives 67/28
6. So, 6/42 + 9/4 = 67/28
   In mixed form: 211/28

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