Bjr niveau 6eme, aidez moi pour ce devoirs !!! C'est super important !!! Merci bcp

bjr
a)
5/2 = 5x2/2x2 = 10/4 = 10x2/4x2 = 20/8
et
b) 3/2 = 3x2/2x2 = 6/4 = 6x2/4x2 = 12/8
14/8 = 14:2/8:2 = 7/4
24/8 = 24:2/8:2 = 12/4 = 12:2/4:2 = 6/2 = 3