Bonsoir
A = -13/8 + 7/16
A = (-13 x 2)/(8 x 2) + 7/16
A = -26/16 + 7/16
A = -19/16
B = 7/35 + 8/15
B = 7/(7 x 5) + 8/15
B = 1/5 + 8/15
B = (1 x 3)/(5 x 3) + 8/15
B = 3/15 + 8/15
B = 11/15
H = 63/30 x 45/28
H = (9 x 7 x 9 x 5)/(6 x 5 x 7 x 4)
H = (81 x 35)/(24 x 35)
H = 81/24
H = (3 x 27)/(3 x 8)
H = 27/8
J = 24/35 : 36/14
J = 24/35 x 14/36
J = (4 x 6 x 2 x 7)/(7 x 5 x 4 x 9)
J = (28 x 12)/(28 x 45)
J = 12/45
J = (3 x 4)/(3 x 15)
J = 4/15
M = -14/15 + 10/15 x 7/20
M = -14/15 + (10 x 7)/(15 x 2 x 10)
M = -14/15 + 7/30
M = (-14 x 2)/(15 x 2) + 7/30
M = -28/30 + 7/30
M = -21/30
M = (-3 x 7)/(3 x 10)
M = -7/10
J = (1/8 - 7/12) : (7/6 + 7/16)
J = [(1 x 3)/(8 x 3) - (7 x 2)/(12 x 2)] : [(7 x 16)/(6 x 16) + (7 x 6)/(16 x 6)]
J = (3/24 - 14/24) : (112/96 + 42/96)
J = -11/24 : (154/96)
J = -11/24 x 96/154
J = (-11 x 3 x 8 x 2 x 2)/(3 x 8 x 2 x 7 x 11)
J = -2/7
