rechnen mit bruchzahlen klammer usw.

Question

A) (2ganze 2/3×1ganze3/5-4/5×1ganze1/3)÷3ganze1/5=

Answer 1

(2ganze 2/3×1ganze3/5-4/5×1ganze1/3)÷3ganze1/5=

(8/3       *       8/5           -   4/5  *  4/3 )   :   (16/5)

= (64/15 -  16/15 ) :   (16/5)

= 48/15  *        5 / 16

=   3 / 3   *   1/1    =          1