bonsoir à tous j ai un exercice de maths sur les fractions,les calculer et les réduire . .Pourriez vous me dire si c est bon: 7/18 +1/6=5/9. 21/10 -9/40=15/8. 14/60+9/15=3/5 . 7/8 +35/48=77/48.Merci à ceux qui pourront m aider.

By: USER7679
26 Agustus 2025 mathematiques 5 minutes
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241 views 241 comments 13 shares
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Question

Grade: Education Subject: mathematiques
bonsoir à tous j ai un exercice de maths sur les fractions,les calculer et les réduire . .Pourriez vous me dire si c est bon: 7/18 +1/6=5/9. 21/10 -9/40=15/8. 14/60+9/15=3/5 . 7/8 +35/48=77/48.Merci à ceux qui pourront m aider.
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Answer (241)

Best Answer
(68)
5/6 au lieu de 3/5 (C'est le 3e calcul)
Sinon le reste est bon.
Answered on 26 Agustus 2025
(253)
Bonsoir,

7/18 + 1/6 = 7/18 + 3/18 = 10/18 = 5/9

21/10 - 9/40 = 84/40 - 9/40 = 75/40 = 15/8

14/60 + 9/15 = 14/60 + 36/60 = 50/60 = 5/6

7/8 + 35/48 = 42/48 + 35/48 = 77/48

Tu t'es trompé pour la 3ieme
Answered on 26 Agustus 2025

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