Answers

Add 21/2 and 8/45

1^st number: 10 1/2, 2^nd number: 8/45

21/2 + 8/45 is 961/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 2 × 45 = 90,
   21/2 = 21 × 45/2 × 45 = 945/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   8/45 = 8 × 2/45 × 2 = 16/90
4. Add the two like fractions:
   945/90 + 16/90 = 945 + 16/90 = 961/90
5. So, 21/2 + 8/45 = 961/90
   In mixed form: 1061/90

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