Answers

Add 27/8 and 90/80

1^st number: 3 3/8, 2^nd number: 1 10/80

27/8 + 90/80 is 9/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 8 × 10 = 80,
   27/8 = 27 × 10/8 × 10 = 270/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   90/80 = 90 × 1/80 × 1 = 90/80
4. Add the two like fractions:
   270/80 + 90/80 = 270 + 90/80 = 360/80
5. 360/80 simplified gives 9/2
6. So, 27/8 + 90/80 = 9/2
   In mixed form: 41/2

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