Answer:
im not sure if this is what you're asking for but multiply and divide
Explanation:
3/6 & 9/18
3 x 3 = 9
6 x 3 = 18
3 ÷ 3 = 1 9 ÷ 9 = 1
6 ÷ 3 = 2 18 ÷ 9 = 2
1/2 = 1/2
you have to multiply/divide the Denominator by the same number that you multiplied/divided the numerator with