Answers

Add 81/60 and 36/25

1^st number: 1 21/60, 2^nd number: 1 11/25

81/60 + 36/25 is 279/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 25 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 60 × 5 = 300,
   81/60 = 81 × 5/60 × 5 = 405/300
3. Likewise, for the 2nd fraction, since 25 × 12 = 300,
   36/25 = 36 × 12/25 × 12 = 432/300
4. Add the two like fractions:
   405/300 + 432/300 = 405 + 432/300 = 837/300
5. 837/300 simplified gives 279/100
6. So, 81/60 + 36/25 = 279/100
   In mixed form: 279/100

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