Problem of the Day

If $b\neq d$ , and $\frac{a}{b}+\frac{c}{d}=n$ , is $n$ an integer?

(1) The greatest common divisor of $a$ and $b$ is 1.

(2) The greatest common divisor of $c$ and $d$ is 1.

Reveal Answer

C. Both statements together are sufficient, but neither statement alone is sufficient.

See the Solution

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