Question

Plis pomocy (13/12- 7/15):37/30+1/2

Answer 1

( 13/12 - 7/15 ) : 37/30 + 1/2 =
= ( 65/60 - 28/60 ) • 30/37 + 1/2 =
= 37/60 • 30/37 + 1/2 =
= 1/2 + 1/2 =
= 1

Answer 2

(13/12-7/15)/(37/30)+1/2=
=(65/60-28/60)*(30/37)+1/2=
=(37/60)*(30/37)+1/2=
=1/2+1/2=
=1