Bonjour,
a. 180/328 = (180÷4)/(328÷4) = 45/82
b. 1449/2009 = (1449÷7)/(2009÷7) = 207/287
c. 3887/1449 = (3887÷23)/(1449÷23) = 169/63
d. 1625/3887 = (1625÷13)/(3887÷13) = 125/299
e. 328/2009 = (328÷41)/(2009÷41) = 8/49
f. 180/1625 = (180÷5)/(1625÷5) = 36/325
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Bonjour,
a. 180/328 = (180÷4)/(328÷4) = 45/82
b. 1449/2009 = (1449÷7)/(2009÷7) = 207/287
c. 3887/1449 = (3887÷23)/(1449÷23) = 169/63
d. 1625/3887 = (1625÷13)/(3887÷13) = 125/299
e. 328/2009 = (328÷41)/(2009÷41) = 8/49
f. 180/1625 = (180÷5)/(1625÷5) = 36/325