Question

Urgent dau coroana 50 puncte si 5 stele .
Calculati scriind rezultatul sub forma de fractie ordinara ireductibila .
a .$\frac{5}{19}$ plus $\frac{33}{19}$
b .$\frac{11}{5} minus 1,2$
c .$5,1 x \frac{5}{17} .$

Answer 1

a.5/19 + 33/19=
=5+33/19=
=38/19=
=2/1=2

b.11/5 - 1,2=
=11/5 - 12/10=
=11/5 - 6/5=
=11-6/5=
=5/5=1

c=5,1 *x* 5/17=
=51/10 *x* 5/17=
=x* 3/2= 3*x/2

/=supra:)