14/4÷2/5=.... 48/9×14/4=...

14/4 ÷ 2/5 = 14/4 * 5/2 = 70/8 = 35/4
48/9 * 14/4 = 672/36 = 336/18 = 168/9 = 56/3
semoga membantu

Bab Bilangan Pecahan
Matematika SD Kelas V

1] 14/4 : 2/5
= 14/4 x 5/2
= 35/4
= 8 3/4

2] 48/9 x 14/4
= 16/3 x 7/2
= 8/3 x 7
= 56/3
= 18 2/3