Answers

Add 60/4 and 84/72

1^st number: 15 0/4, 2^nd number: 1 12/72

60/4 + 84/72 is 97/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   60/4 = 60 × 18/4 × 18 = 1080/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   84/72 = 84 × 1/72 × 1 = 84/72
4. Add the two like fractions:
   1080/72 + 84/72 = 1080 + 84/72 = 1164/72
5. 1164/72 simplified gives 97/6
6. So, 60/4 + 84/72 = 97/6
   In mixed form: 161/6

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