bantu jawab pakai jalan

Bismillahirrahmanirrahim..

▪2/5 × 2 3/8
= 2/5 × 19/8
= 38/40 : 2/2
= 19/20.

▪2/4 × 3 1/6
= 2/4 × 19/6
= 38/24 : 2/2
= 19/12.