Question

Ajutatima va rog frumos  :4/5+8/15    (4asupra lui 5 +8asupra lui 15)

Answer 1

4/5+8/15=3*4/15+8/15=12/15+8/15=20/15=4/3

Answer 2

$\frac{4}{5}+\frac{8}{15}=$ (amplificam primul raport cu 3)

=$\frac{3*4}{15}+ \frac{8}{15} = \frac{20}{15}$ (simplifcam cu 5 ) = $\frac{4}{3}$