11 - 14 tolong ya kak... jangan lupa ya kak pakai cara semua

no 11
5 1/4 + 3=8 1/4

no 14
1 6/9 ÷ 3 2/6=15/9 ÷ 20/6=15/9 × 6/20=6/12=1/2

no 12
5 3/5 - 2 1/4= 5 - 2=3
=12/20 - 5/20
=7/20
kpk 20 =3 7/20

no 13
2 2/6 × 2 4/10=14/6 × 24/10
=28/5
=5 3/5

11) 5 1/4 + 3 = 21/4 + 3 =
21/4 + 3/1 = 21/4 + 12/4 =
33/4 = 8 1/4

12) 5 3/5 - 2 1/4 =
28/5 - 9/4 = 112/20 - 45/20 =
67/20 = 3 7/20

13) 2 2/6 × 2 4/10 =
14/6 × 24/10 = 336/60 =
5 36/60 = 5 6/10 = 5 3/5

14) 1 6/9 : 3 2/6 =
15/9 : 20/6 = 15/9 × 6/20 =
90/180 = 1/2

Smoga membantu :))