Answers

Add 18/4 and 40/80

1^st number: 4 2/4, 2^nd number: 40/80

18/4 + 40/80 is 5/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 4 × 20 = 80,
   18/4 = 18 × 20/4 × 20 = 360/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   40/80 = 40 × 1/80 × 1 = 40/80
4. Add the two like fractions:
   360/80 + 40/80 = 360 + 40/80 = 400/80
5. 400/80 simplified gives 5/1
6. So, 18/4 + 40/80 = 5/1

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