Question

operaciones combinadas con numeros fraccionares​

Answer 1

Respuesta:

1.

$(\frac{5}{4} *\frac{2}{3} )-(\frac{1}{2} : 2)\\\\(\frac{5}{6} )-(\frac{1}{4} )\\\\\frac{7}{12}$

2.

$(\frac{4}{5} -\frac{1}{2} )-(\frac{1}{3} +\frac{1}{6} )\\\\(\frac{3}{10} )-(\frac{1}{2} )\\\\\frac{1}{5}$

3.

$(\frac{3}{4} +\frac{2}{5} )-(\frac{4}{2} *\frac{5}{6} )\\\\(\frac{23}{20})- (\frac{5}{3} )\\\\-\frac{31}{60}.$

4.

$\frac{5}{4} +\frac{4}{9} *\frac{3}{8}\\\\\frac{5}{4}+\frac{1}{6} \\\\\frac{17}{12}$

5.

$\frac{12}{5} :\frac{9}{10} -\frac{2}{3} \\\\\frac{8}{3} -\frac{2}{3} \\\\2$