Réponse :
Explications étape par étape
Bonjour
Calculer et simplifier la fraction obtenue.
a) 7/15 + 3/15 = 10/15 = (2 x 5)/(3 x 5) = 2/3
b) 5/8 - 1/8 = 4/8 = (1 x 4)/(2 x 4) = 1/2
c) 7/9 - 1/9 = 6/9 = (2 x 3)/(3 x 3) = 2/3
bonjour
a) 7/15 + 3/15
= 10/15
= 2/3
b) 5/8 - 1/8
= 4/8
= 1/2
c) 7/9 - 1/9
= 6/9
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Réponse :
Explications étape par étape
Bonjour
Calculer et simplifier la fraction obtenue.
a) 7/15 + 3/15 = 10/15 = (2 x 5)/(3 x 5) = 2/3
b) 5/8 - 1/8 = 4/8 = (1 x 4)/(2 x 4) = 1/2
c) 7/9 - 1/9 = 6/9 = (2 x 3)/(3 x 3) = 2/3
bonjour
a) 7/15 + 3/15
= 10/15
= 2/3
b) 5/8 - 1/8
= 4/8
= 1/2
c) 7/9 - 1/9
= 6/9
= 2/3