Question

2/5 = ?/15 plzzzzzzz help

Answer 1

5 x 3 = 15

2 x 3 = 6

So

2/5 = 6/15

Hope it helps

Answer 2

$\dfrac{2}{5}=\dfrac{?}{15}\\\\15:5=3\to\dfrac{2}{5}=\dfrac{2\cdot3}{5\cdot3}=\dfrac{6}{15}\\\\\boxed{\dfrac{2}{5}=\dfrac{6}{15}}$