Question

use standard algorithm to calculate 5-5/4 -1/2

Answer 1

$$5-\dfrac{5}{4}-\dfrac{1}{2}=\dfrac{5\times4}{4}-\dfrac{5}{4}-\dfrac{1\times2}{4}$$

$$=\dfrac{20-5-2}{4}=\dfrac{13}{4}$$

$$5-\dfrac{5}{4}-\dfrac{1}{2}=\dfrac{13}{4}$$