Answers

Add 60/42 and 15/72

1^st number: 1 18/42, 2^nd number: 15/72

60/42 + 15/72 is 275/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   60/42 = 60 × 12/42 × 12 = 720/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   15/72 = 15 × 7/72 × 7 = 105/504
4. Add the two like fractions:
   720/504 + 105/504 = 720 + 105/504 = 825/504
5. 825/504 simplified gives 275/168
6. So, 60/42 + 15/72 = 275/168
   In mixed form: 1107/168

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