Answers

Add 81/15 and 81/36

1^st number: 5 6/15, 2^nd number: 2 9/36

81/15 + 81/36 is 153/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 15 × 12 = 180,
   81/15 = 81 × 12/15 × 12 = 972/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   81/36 = 81 × 5/36 × 5 = 405/180
4. Add the two like fractions:
   972/180 + 405/180 = 972 + 405/180 = 1377/180
5. 1377/180 simplified gives 153/20
6. So, 81/15 + 81/36 = 153/20
   In mixed form: 713/20

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