Answers

Add 50/4 and 81/42

1^st number: 12 2/4, 2^nd number: 1 39/42

50/4 + 81/42 is 101/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 4 × 21 = 84,
   50/4 = 50 × 21/4 × 21 = 1050/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   81/42 = 81 × 2/42 × 2 = 162/84
4. Add the two like fractions:
   1050/84 + 162/84 = 1050 + 162/84 = 1212/84
5. 1212/84 simplified gives 101/7
6. So, 50/4 + 81/42 = 101/7
   In mixed form: 143/7

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