Bonsoir,
A=
5/6 -40/30
= 25/30 -40/30
= -15/30 = -1/2
B=
( 24/28 -21/28) *8/3
= 3/28* 8/3
= 24/84 = 12/42 = 6/21 = 2/7
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Bonsoir,
A=
5/6 -40/30
= 25/30 -40/30
= -15/30 = -1/2
B=
( 24/28 -21/28) *8/3
= 3/28* 8/3
= 24/84 = 12/42 = 6/21 = 2/7