Answers

Add 27/15 and 54/10

1^st number: 1 12/15, 2^nd number: 5 4/10

27/15 + 54/10 is 36/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 10 is 30
   
   Next, find the equivalent fraction of both fractional numbers with denominator 30
2. For the 1st fraction, since 15 × 2 = 30,
   27/15 = 27 × 2/15 × 2 = 54/30
3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
   54/10 = 54 × 3/10 × 3 = 162/30
4. Add the two like fractions:
   54/30 + 162/30 = 54 + 162/30 = 216/30
5. 216/30 simplified gives 36/5
6. So, 27/15 + 54/10 = 36/5
   In mixed form: 71/5

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