Answers

Add 14/42 and 45/4

1^st number: 14/42, 2^nd number: 11 1/4

14/42 + 45/4 is 139/12.

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,
   14/42 = 14 × 2/42 × 2 = 28/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   45/4 = 45 × 21/4 × 21 = 945/84
4. Add the two like fractions:
   28/84 + 945/84 = 28 + 945/84 = 973/84
5. 973/84 simplified gives 139/12
6. So, 14/42 + 45/4 = 139/12
   In mixed form: 117/12

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