berapa hasilnya dan caranya tolong ya

6. 4/5 : 1/2
= 4/5 x 2/1
= 8/5
= 1 3/5 (B)

7. 4/6 x 1/4 = 4/24
4/24 x 2/1 = 4/12 atau disederhanakan mjd 1/3 (A)

8. 2 1/2 - 4/5
5/2 - 4/5 = 25/10 - 8/10 = 17/10 => disamakan dulu penyebutnya
= 1 7/10 (A)

Jawaban :
6) 4/5 : 1/2
=4/5 x 2/1
=1 3/5 (B.)

7) 4/6 x 1/4 : 1/2
=4/6 x 1/4 x 2/1
=1/3 (A.)

8) 2 1/2 - 4/5
=5/2 - 4/5
=1 7/10 (A.)