Answers

Add 72/42 and 70/4

1^st number: 1 30/42, 2^nd number: 17 2/4

72/42 + 70/4 is 269/14.

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,
   72/42 = 72 × 2/42 × 2 = 144/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   70/4 = 70 × 21/4 × 21 = 1470/84
4. Add the two like fractions:
   144/84 + 1470/84 = 144 + 1470/84 = 1614/84
5. 1614/84 simplified gives 269/14
6. So, 72/42 + 70/4 = 269/14
   In mixed form: 193/14

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