Question

bunicul a arat in prima zi 1pe 4 dintrun teren a doua zi a arst inca 2pe 8 din acelasi teren ce parte din teren ca fractie a ramas nearata

Answer 1

$1- \frac{1}{4}- \frac{2}{8} =1- \frac{2}{8}- \frac{2}{8}= \frac{8}{8}- \frac{4}{8}= \frac{1}{2}$

Answer 2

$\frac{1}{4} + \frac{2}{8} = \\ \\ \frac{1}{4} + \frac{1}{4} = \frac{2}{4} \\ \\ 1- \frac{2}{4} = \frac{2}{4}$