SOLUTION: what does 7/10 + 1/5 = and 5/8 - 1/4 = Thank you

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Question 441467: what does 7/10 + 1/5 = and 5/8 - 1/4 =
Thank you
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
7%2F10+%2B+1%2F5....common denominator is 10
=7%2F10+%2B+1%2A2%2F%285%2A2%29
=7%2F10+%2B+2%2F10
=%287%2B2%29%2F10
=9%2F10
and
5%2F8+-+1%2F4 ....common denominator is 8

=5%2F8+-+1%2A2%2F%284%2A2%29
=5%2F8+-+2%2F8
=%285-2%29%2F8+
=3%2F8+