Question

Calculati suma următoarelor fractii:
a) 1/2+1/3
b)2/3+1/4
c)2/5+3/4
d)3/7+7/3
e)1/2+1/7
f)1/4+8/9
g) 2/5+2/9
h)7/11+2/3
i)5/6+3/11
j) 5/8+8/5.​

Answer 1

Răspuns:

a) $\frac{1}{2} + \frac{1}{3} = \frac{5}{6}$

b) $\frac{2}{3} + \frac{1}{4} = \frac{11}{12}$

c) $\frac{2}{5} + \frac{3}{4} = \frac{23}{20}$

d) $\frac{3}{7} + \frac{7}{3} = \frac{58}{21}$

e) $\frac{1}{2} + \frac{1}{7} = \frac{9}{14}$

f) $\frac{1}{4} + \frac{8}{9} = \frac{41}{36}$

g) $\frac{2}{5} + \frac{2}{9} = \frac{28}{45}$

h) $\frac{7}{11} + \frac{2}{3} = \frac{43}{33}$

i) $\frac{5}{6} + \frac{3}{11} = \frac{73}{66}$

j) $\frac{5}{8} + \frac{8}{5} = \frac{89}{40}$

Sper sa intelegi, daca ai nevoie sa vezi cum am facut sa imi spui.