21/3:4/6 tolong bantu kak pakai cara

21/3 : 4/6 =
= 21/3 × 6/4
= 21/1 × 2/4
=42/4
=10 2/4
maaf kalo salah

21 / 3 : 4/6 = n

n = 21 / 3 × 6/4
n = 7 × 6/4
n = (7 × 6) /4
n = 42 / 4 = 10 1/4 = 10 1/2