Erika waled 18/25 miles before lunch and 41/50 miles after lunch. How far did shewalk in all?

1 27/50 miles

18/25 multiply by 2 to get common denominator, then add 41/50 which gives you 77/50, then simplify.

In order to get the answer you'd have to double the fraction 18/25 to get 36/50

Then you would add 36/50 and 41/50

This would result in getting the fraction 77/50

That would simplify 1 27/50 miles