Answers

Add 81/15 and 27/60

1^st number: 5 6/15, 2^nd number: 27/60

81/15 + 27/60 is 117/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   81/15 = 81 × 4/15 × 4 = 324/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   27/60 = 27 × 1/60 × 1 = 27/60
4. Add the two like fractions:
   324/60 + 27/60 = 324 + 27/60 = 351/60
5. 351/60 simplified gives 117/20
6. So, 81/15 + 27/60 = 117/20
   In mixed form: 517/20

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