2/3 cup = 8/12 cup
1/4 cup = 3/12 cup
2/3 cup = 2 and 2/3 of a 1/4 cup
Use 2 full 1/4 cups
Add 2/3 of another 1/4 cup
2/3 of 1/4 cup = 1/6 cup
Total: 2 full 1/4 cups plus 1/6 cup
2/3 cup = 8/12 cup
1/4 cup = 3/12 cup
2/3 cup = 2 and 2/3 of a 1/4 cup
Use 2 full 1/4 cups
Add 2/3 of another 1/4 cup
2/3 of 1/4 cup = 1/6 cup
Total: 2 full 1/4 cups plus 1/6 cup