2/3+5/4:2/3-5/4 mohon bantuan kakak​

2/3 + 5/4 : 2/3 -5/4

=2/3 +5/4 . 3/2 -5/4

=2/3 +15/8-5/4

=16/24 + 45/24 -30/24

=31/24

= 1 7/24