Question

1/24-13/18-(7/36-17/72)=?
("/"= linie de fractie)​

Answer 1

$\frac{1}{24} - \frac{13}{18} - ( \frac{7}{36} - \frac{17}{72} ) = \\ \frac{1}{24} - \frac{13}{18} - \frac{14 - 17}{72} = \\ \frac{1}{24} - \frac{13}{18} + \frac{3}{72} = \\ \frac{3 - 52 + 3}{72} = \\ \frac{ - 49 + 3}{72} = \\ \frac{ - 46}{72} = \\ - \frac{23}{36}$

Answer 2

Explicație pas cu pas:

1/24-13/18-(7/36-17/72)=

3/72-52/72-(14/72-17/72)=

-49--3/72=

-46/72=-23/36