Ricardo's recipe for 6 loaves of bread requires 2

7

cup of olive oil. He only wants to make 1 loaf. Ricardo makes a model to find out how much oil he needs to use. He folds a piece of paper vertically into six parts and shades two parts. Then he folds the paper horizontally into six parts and shades

1

6

of the shaded part. Ricardo decides he needs

1

4

cup of olive oil.

Is he right? Complete the explanation. Give your answer as a simplified fraction.

He used the number of parts he shaded, 12, as the denominator. He should have used the total number of parts, 42. Ricardo needs
??
42

, or cup of olive oil.