Bonjour pouvez-vous s'il vous plaît me réexpliquer comment on effectue un calcul fractionnaire ? Merci
A= 4/7 + 3/4 + 2/7 + 5/4 +1/7
B= 5/12 - 5/3 + 2/12 - 2/3
A= 4/7 + 3/4 + 2/7 + 5/4 +1/7
B= 5/12 - 5/3 + 2/12 - 2/3
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BonjourA= 4/7 + 3/4 + 2/7 + 5/4 +1/7
a = 4/7 +2/4 +1/7 +3/4+5/4
a = 7/7 +8/4
a = 1 +2
a = 3
B= 5/12 - 5/3 + 2/12 - 2/3
b = 5/12 +2/12 -5/3-2/3
b = 7/12 -7/3
b = 7/12 - 7*4 / 3*4
b = 7/12 - 28/12
b = -21/12
b = -7/4