Answers

Add 90/3 and 28/27

1^st number: 30 0/3, 2^nd number: 1 1/27

90/3 + 28/27 is 838/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 27 is 27
   
   Next, find the equivalent fraction of both fractional numbers with denominator 27
2. For the 1st fraction, since 3 × 9 = 27,
   90/3 = 90 × 9/3 × 9 = 810/27
3. Likewise, for the 2nd fraction, since 27 × 1 = 27,
   28/27 = 28 × 1/27 × 1 = 28/27
4. Add the two like fractions:
   810/27 + 28/27 = 810 + 28/27 = 838/27
5. So, 90/3 + 28/27 = 838/27
   In mixed form: 311/27

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