Final answer:
To determine how much more water than milk is needed, convert the mixed numbers to improper fractions, find a common denominator, and subtract the milk fraction from the water fraction. The result is that the recipe calls for 23/24 cups more water than milk.
Step-by-step explanation:
The student asks how much more water than milk a soup recipe requires if it calls for 2 1/3 cups of water and 1 3/8 cups of milk. To find out, we need to compute the difference between the two quantities:
- First, convert the mixed numbers to improper fractions. For water, 2 1/3 cups becomes 7/3 cups (2*3+1=7). For milk, 1 3/8 cups becomes 11/8 cups (1*8+3=11).
- Next, find a common denominator, which is 24 in this case, and convert both fractions: Water becomes 56/24 cups (7*8=56), and milk becomes 33/24 cups (11*2=33).
- Subtract the milk from the water: 56/24 - 33/24 = 23/24 cups.
Therefore, the recipe calls for 23/24 cups more water than milk.