Question

Add the following rational number 5 by 8 and 3 by - 10

Answer 1

5/8 + 3/-10

taking the LCM

LCM = 40

so on converting these rational number to denominator 40 we get

5/8= 25/40 and 3/-10= -12/40

adding both new rational numbers:

25-12

-------------- = 13/40

40

SO THE ANSWER IS 13/40

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