Question

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

Answer 1

a)

$\frac{21}{105} \: \: | \frac{10}{105} | \frac{3}{105}$

b)

$\frac{20}{180} | \frac{72}{180} | \frac{135}{180}$

c)

$\frac{63}{462} | \frac{12}{462} | \frac{56}{462}$

d)

$\frac{1}{72} | \frac{10}{72} | \frac{42}{72}$