bonjour petit calcule fractionnaire
9/5-2/15
5/6-5/24
18/25*15/49
8/15+9/5
12/21*28/21
merci d'avance
9/5-2/15
5/6-5/24
18/25*15/49
8/15+9/5
12/21*28/21
merci d'avance
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Verified answer
Bonsoir,9/5 - 2/15
= 27/15 - 2/15
= 25/15
= 5/3
5/6 - 5/24
= 20/24 - 5/24
= 15/24
= 5/8
18/25 * 15/49
= (3 * 6 * 3 * 5)/(5 * 5 * 7 * 7)
= (3 * 6 * 3)/(5 * 7 * 7)
= 108/245
Je te laisse faire les deux derniers :)