Question

Look at the image attached below.

Answer 1

Step-by-step explanation:

Step 1:  Subtract the first part

$1\frac{1}{2} - \frac{1}{4}$

$\frac{3}{2} - \frac{1}{4}$

$\frac{6}{4}-\frac{1}{4}$

$\frac{5}{4}$

Step 2:  Multiply both to get how much the brother drank

$\frac{5}{4} * \frac{2}{5}$

$\frac{2}{4}$

$\frac{1}{2} \ L$

Answer:  1/2 Liters

Answer 2

Answer:

1/2

Step-by-step explanation:

1/5 of 5/4 is 1/4 so 2/5 of 5/4 is 1/2