Answers

Add 28/27 and 60/90

1^st number: 1 1/27, 2^nd number: 60/90

28/27 + 60/90 is 46/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   28/27 = 28 × 10/27 × 10 = 280/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   60/90 = 60 × 3/90 × 3 = 180/270
4. Add the two like fractions:
   280/270 + 180/270 = 280 + 180/270 = 460/270
5. 460/270 simplified gives 46/27
6. So, 28/27 + 60/90 = 46/27
   In mixed form: 119/27

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