Answers

Add 28/10 and 5/90

1^st number: 2 8/10, 2^nd number: 5/90

28/10 + 5/90 is 257/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   28/10 = 28 × 9/10 × 9 = 252/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   5/90 = 5 × 1/90 × 1 = 5/90
4. Add the two like fractions:
   252/90 + 5/90 = 252 + 5/90 = 257/90
5. So, 28/10 + 5/90 = 257/90
   In mixed form: 277/90

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