SOLUTION: (3/4)(5/7) -5+3/5 2/3-3/5 (2/5)/5 show that the following are rational numbers

Question 471803: (3/4)(5/7)
-5+3/5
2/3-3/5
(2/5)/5
show that the following are rational numbers
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
Any number that is to 1 in the same ratio as two natural numbers, is called a rational number. A rational number, then, is any number that we could write as a fraction.

We have seen that EVERY FRACTION has the same ratio to as the numerator has to the denominator: .

proof:

........rational
use same way to prove the following problems

so, all are rational numbers

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