Répondre :
F = 4/3 + 5: 35/3
F = 4/3 + 5* 3/35
F = 4/3 + 15/35
F = 4/3 + 3/7
F = 4*7 / 3*7 + 3*3 / 7*3
F = 28 + 9 /21
F = 37/21
Calculer la fraction suivante :
f = 4 + 5 : 35
3 3
F = 4/3 + 5: 35/3
F = 4/3 + 5* 3/35
F = 4/3 + 15/35
F = 4/3 + 3/7
F = 4*7 / 3*7 + 3*3 / 7*3
F = 28 + 9 /21
F = 37/21