diff --git a/index.md b/index.md
index 2e2c816afcf7794382286d14438f3c19767f63a7..6a306bc412c4ce000569f14194ab49a62bb04775 100644
--- a/index.md
+++ b/index.md
@@ -91,10 +91,10 @@ Chaîne *BBB* du cours <https://bbb.hesge.ch/rooms/wkm-a1q-7d1-rjb/join>
 
 ### 01.11.2022: Makefiles, [HTML](https://malaspinas.academy/prog_seq_c_tp/makefiles/index.html), [PDF](https://malaspinas.academy/prog_seq_c_tp/makefiles/makefiles.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/travaux_pratiques/c_lang/makefiles/enonce)
 
-### 18.10.2022: Fractions, [HTML](https://malaspinas.academy/prog_seq_c_tp/fractions/index.html), [PDF](https://malaspinas.academy/prog_seq_c_tp/fractions/fractions.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/travaux_pratiques/c_lang/fractions/enonce)
-
 ### 20.09.2022: Calendrier, [HTML](https://malaspinas.academy/prog_seq_c_tp/calendar/index.html), [PDF](https://malaspinas.academy/prog_seq_c_tp/calendar/calendar.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/travaux_pratiques/c_lang/calendar/enonce) -->
 
+### 19.10.2023: Fractions, [HTML](https://malaspinas.academy/prog_seq_c_tp/fractions/index.html), [PDF](https://malaspinas.academy/prog_seq_c_tp/fractions/fractions.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/travaux_pratiques/c_lang/fractions/enonce)
+
 
 ### 12.10.2023: Tableaux unidimensionnels, [HTML](https://malaspinas.academy/prog_seq_c_tp/tableaux_unidimensionnels/index.html), [PDF](https://malaspinas.academy/prog_seq_c_tp/tableaux_unidimensionnels/tableaux_unidimensionnels.pdf), [GIT](https://gitedu.hesge.ch/programmation_sequentielle/travaux_pratiques/c_lang/tableaux_unidimensionnels/enonce)