Bonjour,
a) - 34/51 = (17 x - 2) / (17 x 3) = - 2/3
b) 65/- 39 = - 65/39 = (13 x - 5) / (13 x 3) = - 5/3
c) - 72/126 = (18 x - 4) / (18 x 7) = - 4/7
f) - 126/- 78 = 126/78 = (6 x 21) / (6 x 13) = 21/13.
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Bonjour,
a) - 34/51 = (17 x - 2) / (17 x 3) = - 2/3
b) 65/- 39 = - 65/39 = (13 x - 5) / (13 x 3) = - 5/3
c) - 72/126 = (18 x - 4) / (18 x 7) = - 4/7
f) - 126/- 78 = 126/78 = (6 x 21) / (6 x 13) = 21/13.