Question

$\frac{a}{3} = \frac{6}{8}$

Answer 1

a×8=3×6
a×8=18
a=18/8
a=9/4

Answer 2

a        6
---  =  ---
3        8

8a = 6 x 3
8a = 18
a = 18 : 8

      9
a = ---
      4