qui pourrez m’aider svp merci

bonsoir

5/8 + 11/6 = 15/24 + 44/24 = 59/24

7/30 + 2/12 = 14/60 + 10/60 = 24/60 = 2/ 5

a . 5/8 + 11/6 = 15 / 24 + 44 / 24 = 59/24

b . 7/30 +2/12 = 14/60 + 10/60 = 24/60