Answers

Add 81/60 and 35/3

1^st number: 1 21/60, 2^nd number: 11 2/3

81/60 + 35/3 is 781/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 3 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   81/60 = 81 × 1/60 × 1 = 81/60
3. Likewise, for the 2nd fraction, since 3 × 20 = 60,
   35/3 = 35 × 20/3 × 20 = 700/60
4. Add the two like fractions:
   81/60 + 700/60 = 81 + 700/60 = 781/60
5. So, 81/60 + 35/3 = 781/60
   In mixed form: 131/60

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