Answers

Add 72/42 and 84/60

1^st number: 1 30/42, 2^nd number: 1 24/60

72/42 + 84/60 is 109/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   72/42 = 72 × 10/42 × 10 = 720/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   84/60 = 84 × 7/60 × 7 = 588/420
4. Add the two like fractions:
   720/420 + 588/420 = 720 + 588/420 = 1308/420
5. 1308/420 simplified gives 109/35
6. So, 72/42 + 84/60 = 109/35
   In mixed form: 34/35

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