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OpenStudy (anonymous):
2 over 2/5 - 2 over 5/2
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OpenStudy (anonymous):
21/5
OpenStudy (anonymous):
So, we have to fractions, what we must do is multiply the numerator of each fraction by the reciprocal of the each fraction's corresponding denominator.
OpenStudy (anonymous):
That is to say: 2*5/2-2*2/5
OpenStudy (anonymous):
which gives us=10/2-4/5 simplfy further=5-4/5
OpenStudy (anonymous):
The lcd becomes 5, and the problem is now=25/5-4/5=21/5
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