Answers

Add 72/4 and 28/42

1^st number: 18 0/4, 2^nd number: 28/42

72/4 + 28/42 is 56/3.

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,
   72/4 = 72 × 21/4 × 21 = 1512/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   28/42 = 28 × 2/42 × 2 = 56/84
4. Add the two like fractions:
   1512/84 + 56/84 = 1512 + 56/84 = 1568/84
5. 1568/84 simplified gives 56/3
6. So, 72/4 + 28/42 = 56/3
   In mixed form: 182/3

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