Question

please tell me the solution of the above mentioned question this question is from rational number .
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Answer 1

Answer:

First you multiple second you add and third you subtract

This is a property of dmas

Q (1)-1/2 *3/5+3/2-3/5*5/4

Ans= -3/10 + 3/2 - 15/20

= -12/10 - 3/4

= -39/20

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Answer 2

Answer:

9/20

(-3/10+3/2-15/20 and do the lcm)

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