[Risolto] Esercizi su frazioni

SOLUZIONI

a.

$\frac{5}{9},\frac{7}{4}$

non riducibili

$m.c.m.=9\cdot4=36$

$\frac{20}{36},\frac{63}{36}$

b.

$\frac{20}{8},\frac{18}{15}$

$\frac{10}{4},\frac{6}{5}$

$m.c.m.=4\cdot5=20$

$\frac{50}{20},\frac{24}{20}$

c.

$\frac{8}{9},\frac{28}{12},\frac{11}{6}$

$\frac{8}{9},\frac{7}{3},\frac{11}{6}$

$m.c.m.=9\cdot6=54$

$\frac{48}{54},\frac{126}{54},\frac{99}{54}$

d.

$\frac{3}{4},\frac{25}{30},\frac{35}{28}$

$\frac{3}{4},\frac{5}{6},\frac{5}{4}$

$m.c.m.=4\cdot6=24$

$\frac{18}{24},\frac{20}{24},\frac{30}{24}$