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Să se aducă la același numitor fracțiile:
a) [tex]\frac{3}{15} ,\frac{2}{21} ,\frac{1}{35}[/tex]
b) [tex]\frac{1}{9} ,\frac{2}{5} ,\frac{3}{4}[/tex]
c) [tex]\frac{3}{22} ,\frac{2}{77}, \frac{4}{33}[/tex]
d) [tex]\frac{1}{72} ,\frac{5}{36} ,\frac{7}{12}[/tex]
Macar câteva va rog


Răspuns :

a)

[tex] \frac{21}{105} \: \: | \frac{10}{105} | \frac{3}{105} [/tex]

b)

[tex] \frac{20}{180} | \frac{72}{180} | \frac{135}{180} [/tex]

c)

[tex] \frac{63}{462} | \frac{12}{462} | \frac{56}{462} [/tex]

d)

[tex] \frac{1}{72} | \frac{10}{72} | \frac{42}{72} [/tex]