Question

Cum aflii fractiile echiunitare?De exemplu:1/2=?/4.

Answer 1

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

Answer 2

Le inmultesti in cruce: 1•4=2•?; 4=2•?; ?= 4:2; ?=2