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0,75 +1 supra 2 :2 =?

Răspuns :

[tex] \frac{0,75+1}{2:2} = \frac{1,75}{1} =1,75[/tex]
0,75+1/2 /2
⇒75/100+1/2 /2
⇒75/100+50/100 /2
⇒125/100 /2
⇒125/100 ·1/2
⇒125/200
⇒25/40
⇒5/8⇒fractie ordinara ireductibila;