Nomor 4 apa ya?makasih..

2 2/3 x 1 5/8 + 1 3/4 =
(8/3 x 13/8) + 7/4 =
13/3 + 7/4 =
52/12 + 21/12 =
73/12 = 6 1/12

2 2/3 x 1 5/8 + 1 3/4
= (8/3 x 13/8) + 7/4
13×8 =104
8×3=24
=104/24 =13/3
=13/3+7/4 =52/12 + 21/12
=73/12
=6 1/12
D

maaf kalau salah