Answers

Add 72/15 and 60/56

1^st number: 4 12/15, 2^nd number: 1 4/56

72/15 + 60/56 is 411/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 15 × 56 = 840,
   72/15 = 72 × 56/15 × 56 = 4032/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   60/56 = 60 × 15/56 × 15 = 900/840
4. Add the two like fractions:
   4032/840 + 900/840 = 4032 + 900/840 = 4932/840
5. 4932/840 simplified gives 411/70
6. So, 72/15 + 60/56 = 411/70
   In mixed form: 561/70

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