Question

URGENT DAU CORONITA (10,7,6)​

Answer 1

Răspuns:

10. a) $\frac{7}{9}$ = $\frac{7*5}{9*5}$= $\frac{35}{45}$         $\frac{5}{3} = \frac{5*5}{3*5} =\frac{25}{15}$        $\frac{11}{15} = \frac{11*5}{15*5} = \frac{55}{75}$

b) $\frac{7}{9} = \frac{7*3}{9*3} =\frac{21}{27}$        $\frac{5}{3} = \frac{15}{9}$           $\frac{11}{15} = \frac{33}{45}$

c) $\frac{7}{9} = \frac{70}{90}$      $\frac{5}{3} = \frac{50}{30}$         $\frac{11}{15} =\frac{110}{150}$

d) $\frac{7}{9} = \frac{56}{72}$      $\frac{5}{3} = \frac{40}{24}$      $\frac{11}{15} = \frac{88}{120}$

6.a)  $\frac{2}{3} = \frac{12}{18}$    b) $\frac{4}{5} =\frac{20}{25}$   c) $\frac{1}{8} = \frac{2}{16}$ d) $\frac{10}{11} =\frac{40}{44}$

7. a) $\frac{4}{5}$     b) $\frac{2}{3}$    c) $\frac{7}{10}$

d) $\frac{3}{4}$      e) $\frac{4}{5}$    f) $\frac{3}{4}$

se imparte fractia cu 6, 3  ( si numaratorul si numitorul)