1.3/8 x 2,6/9= 2.2/3 x 4,2/4=

1. 3/8*23/9
=1/8*23/3
=23/24
2. 2/3*18/4
=6/2
=3

1 . 3/8 × 2,6/9
= 3/8× 26/9 = 78/72 : 6/6 = 13/12 = 2 1/6 (pecahan campuran)

2 . 2/3 × 4,2/4
=2/3× 42/4 = 84/12 : 12/12 = 7/1 = 7
(semoga membantu)
/salsa\