Answers

Add 20/9 and 21/90

1^st number: 2 2/9, 2^nd number: 21/90

20/9 + 21/90 is 221/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 9 × 10 = 90,
   20/9 = 20 × 10/9 × 10 = 200/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   21/90 = 21 × 1/90 × 1 = 21/90
4. Add the two like fractions:
   200/90 + 21/90 = 200 + 21/90 = 221/90
5. So, 20/9 + 21/90 = 221/90
   In mixed form: 241/90

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