2 cups divided by 3 is 2/3 of a cup. if you take one cup and divide it by three, you get 1/3 of a cup if you take another cup and divide it by three, you another 1/3 of a cup add those together and that makes 2/3 cup very useful in baking when you can't use a calculator :)
1.5
0.6667
1 1/2 cups of flour.
0.75
1.6667
3.7
There are 16 cups in a gallon. 16 divided by 1.5 is 10 and two-thirds cup. (two times 1.5 is 3 and 2 times 16 is 32 and 32 divided by 3 is 10 and 2/3rds)
1 1/2 cups divided by 1/3 cups = 4 with 1/6 cup left over
3 gallons and 2 quarts is 56 cups, not 11.
0.3333
0.6
2.3333