Bonjour
G = 44/105 x 42/66
G = 1 848/6 930
G = (462 x 4) / (462 x 15)
G = 4/15
H = 63/30 x 45/28
H = 2 835/840
H = (105 x 27) / (105 x 8)
H = 27/8
J = 24/35 x 14/36
J = 336/1 260
J = (84 x 4) / (84 x 15)
J = 4/15.
