bonjour
M = 21/24 - 2/24 = 19/24
N = - 16/36 + 15/36 = - 1/36
P = - 21/18 - 30/18 + 4/18 = - 47/18
Q = ( 20/15 + 2/15) - ( 6/8 - 1/8)
Q = 22/15 - 5/8 = 176/120 - 75/120= 101/120
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bonjour
M = 21/24 - 2/24 = 19/24
N = - 16/36 + 15/36 = - 1/36
P = - 21/18 - 30/18 + 4/18 = - 47/18
Q = ( 20/15 + 2/15) - ( 6/8 - 1/8)
Q = 22/15 - 5/8 = 176/120 - 75/120= 101/120