1.5 ½ - 3 ⅓ : 1 3/5 2. 5 2/5 kali 6 ⅔ - 7 2/9. Tolong ya

1. 5 1/2 - 3 1/3 : 1 3/5
= 11/2 - (4/3 : 8/5)
=11/2 - (4/3 x 5/8)
=11/2 - 20/24
=11/2 - 5/6
=33/6 - 5/6
=28/6
=4 4/6
=4 2/3
2. 5 2/5 x 6 2/3 - 7 2/9
=27/5 x 20/3 - 65/9
=(27/5 x 20/3) - 65/9
=540/15 - 65/9
=1620/45 - 325/9
=1295/45
=28 35/45
=28 7/9

moga membantu ya :)
kalo ada kesalahan atau gak paham bilang ya :)

1. 3 1/3 : 1 3/5 =
10/3 : 8/5 = 10/3 × 5/8=
50/24 = 2 1/12

5 1/2 - 2 1/12 =
11/2 - 25/ 12 =
66/12 - 25/12= 41/ 12=
3 5/12

2. 5 2/5 × 6 2/3=
27/5 × 20/3= 540/ 15

540/15 - 7 2/9=
540/15 - 65/ 9=
1620/45 - 325/45=
1295/45= 28 35/45=
28 7/9