Bonjour,
Simplification de fractions
Simplifie les fractions par 2
a.
18/28 = (2 x 9) / (2 x 14) = 9/14
108/38 = (2 x 54) / (2 x 19) = 54/19
b. 6/52 = (2 x 3) / (2 x 26) = 3/26
118/34 = (2 x 59) / (2 x 17) = 59/17.
Simplifie les fractions par 3
e. 15/12 = (3 x 5) / (3 x 4) = 5/4
66/21 = (3 x 22) / (3 x 7) = 22/7
f. 9/30 = (3 x 3) / (3 x 10) = 3/10
57/69 = (3 x 19) / (3 x 23) = 19/23.