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The sum is rational or irrational number?

The sum is rational or irrational number?-example-1
User FoamyGuy
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1 Answer

11 votes

Answer:

a rational number

Explanation:

1) First, find the sum of
(4)/(7) +(-1)/(3):


(4)/(7) + (-1)/(3) \\= (12)/(21) - (7)/(21) \\= (5)/(21)

2) Any number that can be written as a fraction is a rational number. Therefore, the sum,
(5)/(21), is rational.

User Bloxx
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