SOLUTION: Please help: If sheely ran 2 one-fourth miles, Lynne ran 3 one-eighth miles. Who ran farther and by how much?

Question 175381: Please help: If sheely ran 2 one-fourth miles, Lynne ran 3 one-eighth miles. Who ran farther and by how much?
Found 2 solutions by josmiceli, Mathtut:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Sheely's distance:

mi
---------------
Lynne's distance:
mi
Now show both distances as eighth miles so
you can compare them
Sheely:
mi
Lynne:
mi
Difference:

Sheely ran mi farther
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
2(1/4)=2/4=1/2
3(1/8)=3/8
:
now in order to compare these we need to make their denominators equal..meaning we need a LCD since 2(4) =8 that is our LCD....so multiply both top and bottom of 1/2 by 4 and you get 4/8. now lets compare
:
4/8 is obviously bigger than 3/8.
:
therefore sheely ran further and she ran further by 1/8 of a mile
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