Answers

Add 15/27 and 56/7

1^st number: 15/27, 2^nd number: 8 0/7

15/27 + 56/7 is 77/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 7 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   15/27 = 15 × 7/27 × 7 = 105/189
3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
   56/7 = 56 × 27/7 × 27 = 1512/189
4. Add the two like fractions:
   105/189 + 1512/189 = 105 + 1512/189 = 1617/189
5. 1617/189 simplified gives 77/9
6. So, 15/27 + 56/7 = 77/9
   In mixed form: 85/9

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