Posted by **DAWN** on Monday, August 25, 2014 at 10:33pm.

Can a/b and (a+b)/b ever form a proportion? Why or why not?

- MA -
**Reiny**, Monday, August 25, 2014 at 10:38pm
well, let's try it ...

a/b = (a+b)/b

times b, if b ≠0

a = a+b

then b = 0

but now we have a contraction, so .....

or

cross - multiply

ab = ab + b^2

b^2 = 0

b = 0 , but that would make a/b undefined,

so what do you think?

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