Answers

Add 90/60 and 27/4

1^st number: 1 30/60, 2^nd number: 6 3/4

90/60 + 27/4 is 33/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 4 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   90/60 = 90 × 1/60 × 1 = 90/60
3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
   27/4 = 27 × 15/4 × 15 = 405/60
4. Add the two like fractions:
   90/60 + 405/60 = 90 + 405/60 = 495/60
5. 495/60 simplified gives 33/4
6. So, 90/60 + 27/4 = 33/4
   In mixed form: 81/4

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