Question

adicione a fração algébrica 1/2x - 1/4x

Answer 1

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

2, 4 |2
1, 2 |2
1, 1 | 1/2²=4

$\frac{x}{2} - \frac{x}{4}= \frac{2x-x}{4} = \frac{x}{4}$

Answer 2

Ola Sharon 

x/2 - x/4 

2x/4 - x/4 = x/4