hasil 2 1/2 + 3/4 : 1 1/5

=5/2+3/4:11/5
=5/2+3/4x5/11
=5/2+15/44
=110/44
=55/22
Maaf jika ada kekeliruan..
Mohon koreksi..

2 1/2 = 5/2 = 50/20
3/4 = 15/20
1 1/5 = 7/5 = 28/20

50/20 + 15/20 : 28/20

= 65/20 × 20/28

= 1.300/560

= 130/56