3 / 5 × 2 / 3 nomor 1 - 10 tolong dijawab ya dengan caranya

1. 3/5 ×2/3
=2/5
2. 4/6 × 3/4
=3/6
= 1/2
3.2 2/3 × 1 5/6
= 8/3 × 11/6
= 88/18
= 44/9
4. 3/6 + 2/3
= (samakan penyebut)
= 3+4/6
= 7/6
5.4/8 + 5/6
= 12+20/24
= 4/3