Answers

Add 72/42 and 70/7

1^st number: 1 30/42, 2^nd number: 10 0/7

72/42 + 70/7 is 82/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 7 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   72/42 = 72 × 1/42 × 1 = 72/42
3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
   70/7 = 70 × 6/7 × 6 = 420/42
4. Add the two like fractions:
   72/42 + 420/42 = 72 + 420/42 = 492/42
5. 492/42 simplified gives 82/7
6. So, 72/42 + 70/7 = 82/7
   In mixed form: 115/7

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