Question

Sa se calculeze diferenta urmatoarelor fractii
a) 2/3-1/4 b) 12/10-1/3-1/5 c) 11/6-2/9
cât mai repede posibil vă rog mult!!!​

Answer 1

$a) \ \frac{2}{3}-\frac{1}{4}=\frac{8-3}{12}=\frac{5}{12}; \\ b) \ \frac{12}{10}-\frac{1}{3}-\frac{1}{5}=\frac{6}{5}-\frac{1}{3}-\frac{1}{5}=\frac{18-5-3}{15}=\frac{10}{15}=\frac{2}{3}; \\ c) \ \frac{11}{6}-\frac{2}{9} =\frac{33-4}{18}=\frac{29}{18}.$

Answer 2

Răspuns:

a) ⁴⁾2/3-³⁾1/4=(8-3)/12=5/12

b) ³⁾12/10-¹⁰⁾1/3-⁶⁾1/5=(36-10-6)/30=(20/30)⁽¹⁰=2/3

c) ³⁾11/6-²⁾2/9=(33-4)/18=29/18