To find equivalent ratios you can multiply or divide denominator and numerator by the same number:
For 36/6:
Multiply by 3:
[tex]\frac{3\cdot36}{3\cdot6}=\frac{108}{18}[/tex]Divide into 3:
[tex]\frac{\frac{36}{3}}{\frac{6}{3}}=\frac{12}{2}[/tex]Then, two equivalent ratios for 36/6 are 108/18 and 12/2