SOLUTION: i have a test on fractions and i am stuck on my 15th question could you please help me and show me how we how i can show my workings out, the question is - 4/5 - 7/10 + 1/2 =

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Question 708267: i have a test on fractions and i am stuck on my 15th question could you please help me and show me how we how i can show my workings out,
the question is - 4/5 - 7/10 + 1/2 =
Found 2 solutions by josmiceli, solver91311:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The common denominator is +10+
+-4%2F5+=+-8%2F10+
+1%2F2+=+5%2F10+
So, now you have
+-8%2F10+-+7%2F10+%2B+5%2F10+
+-15%2F10+%2B+5%2F10+
+-10%2F10+=+-1+
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The answer is
+-+4%2F5+-+7%2F10+%2B+1%2F2+=+-1+

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Multiply the first fraction by 1 in the form of . Multiply the third fraction by 1 in the form of . The result will be the sum of three fractions all of which have the same denominator. Add the numerators and reduce the result to lowest terms.

John

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