Question

sharon is making latkes, a kind of potato pancake. she needs $\frac{3}{4}$ lb of potatoes for each batch.
sharon has 4 lb of potatoes.

sharon can make 5 full batches.
how many of the original 4 pounds are left?
____ lb

Explanation:

Step1: Calculate potatoes used

$5 \times \frac{3}{4} = \frac{15}{4}$ lb

Step2: Subtract from total potatoes

$4 - \frac{15}{4} = \frac{16}{4} - \frac{15}{4} = \frac{1}{4}$ lb

Answer:

$\frac{1}{4}$ lb