let a and b be rational number respectively . is a+b an irrational number justify your answer

Hi,
Two rational number when gets added it will always begets rational number.
For example 1+2= 3
1/2+4/7= 15/14
Regards

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Let a be 1 and b be 2. So, a + b i.e. 1 + 2 = 3 which is also a rational number. Hence, proved.
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:)

 

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No it will not irrational no. If we take a=2.5 and b= 3.5 then 2.5+3.5= 6 hence it is proved .
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