Shelly used exactly 1/3 of a cup of oil and 3/8 of a cup of water in a recipe. How many cups of liquid did shelly use in all?

To find out how much liquid Shelly used in all, you have to add the oil and the water: 1/3 + 3/8 = 8/24 + 9/24 = <<8/24+9/24=17/24>>17/24

Shelly used 17/24 of a cup of liquid in all.