SAT Math Practice Question #28214 - SATify | SATify

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SAT Math Practice Question #28214 - SATify | SATify

#28214

algebra

arithmetic

easy

60 sec

If $a @ b = \frac{a \times b}{a + b}$ for $a, b$ positive integers, then what is $3 @ 6$ ?

A.

$\frac{1}{2}$

B.

$1$

C.

$2$

D.

$3$

E.

$18$