Answer: 1/12
In the original recipe it calls for 1/4 teaspoon red pepper. The question is asking for 1/3 of the recipe. So you would need to find 1/3 of 1/4. To do this multiply.
1/3 x 1/4 = ?
Multiply the numerators:
1 x 1 = 1
And multiply the denominators:
3 x 4 = 12
So you get 1/12