Soustractions de fractions
Exercice proposé par Tony et Inès
Exemple : 20 / 3 - 2 / 3 = 18 / 3 = 6 ou bien 7 / 2 - 4 / 2 = 3 / 2
14 / 5 - 5 / 5 =
/
24 / 3 - 18 / 3 =
/
=
9 / 3 - 4 / 3 =
/
18 / 3 - 3 / 3 =
/
=
4 / 4 - 1 / 4 =
/
27 / 3 - 5 / 3 =
/
20 / 2 - 10 / 2 =
/
=
30 / 10- 24 / 10 =
/
64 / 8 -32 / 8 =
/
=
12 / 2 - 4 / 2 =
/
=
69 / 9 - 9 / 9 =
/
11 / 4 - 4 / 4 =
/
Correction
OK