1 2/4: 4/13- 1 8/5 Tolong bantu ya

1 2/4 : 4/13
6/4×13/4=78/16=39/8
39/8-13/5=
195/40-104/40=
91/40= 2 11/40

semoga membantu ya..

1 2/4:4/13-1 8/5

=(6/4:4/13)-13/5
=(6/4×13/4)-13/5
=24/52-13/5
=24/52+5/13
=24+20
----------
52
= 44
-------
52

= 22
--------
26
= 11/13