Nik E. answered 08/26/13
Tutor
4.8
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Math and Computer Science Tutor Here to Help
Start by separating into two fractions:
20y7 / 4y3 - 24y5 / 4y3
Now reduce each fraction:
(20/4)(y7-3) - (24/4)(y5-3)
5y4 - 6y2
And you're done!