Answers

Add 42/4 and 72/42

1^st number: 10 2/4, 2^nd number: 1 30/42

42/4 + 72/42 is 171/14.

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,
   42/4 = 42 × 21/4 × 21 = 882/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   72/42 = 72 × 2/42 × 2 = 144/84
4. Add the two like fractions:
   882/84 + 144/84 = 882 + 144/84 = 1026/84
5. 1026/84 simplified gives 171/14
6. So, 42/4 + 72/42 = 171/14
   In mixed form: 123/14

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