Question #10:
To find what fraction of an onion is used per serving, divide the total amount of onion by the total number servings.
1/2 ÷ 6 = 1/12
Therefore, 1/12 of an onion was used per serving.
Question #12:
1/2 of 3/4 means that we multiply 1/2 to 3/4.
3/4 * 1/2 → 3/8
3/4 of 1/2 means we multiply 3/4 to 1/2.
1/2 * 3/4 → 3/8
Therefore, both expressions are similar.
Best of Luck!