Answers

Add 90/2 and 9/80

1^st number: 45 0/2, 2^nd number: 9/80

90/2 + 9/80 is 3609/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 2 × 40 = 80,
   90/2 = 90 × 40/2 × 40 = 3600/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   9/80 = 9 × 1/80 × 1 = 9/80
4. Add the two like fractions:
   3600/80 + 9/80 = 3600 + 9/80 = 3609/80
5. So, 90/2 + 9/80 = 3609/80
   In mixed form: 459/80

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