Answers

Add 8/40 and 18/80

8/40 + 18/80 is 17/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   8/40 = 8 × 2/40 × 2 = 16/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   18/80 = 18 × 1/80 × 1 = 18/80
4. Add the two like fractions:
   16/80 + 18/80 = 16 + 18/80 = 34/80
5. 34/80 simplified gives 17/40
6. So, 8/40 + 18/80 = 17/40

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