Bonjour,
42) a. 4/5=4*3/(5*3)=13/15
b. 5/9=5*4/(9*4)=20/36
c. 0,5/2,6=0,5*10/(2,6*10)=5/26
d. 45/25=9*5/(25*5)=45/125
44) a. 8/5=8*9/(5*9)=72/45
b. 2/3=2*5/(3*5)=10/15
c. 1/6=1*3/(6*3)=3/18
d. 8/12=8:4/(12:4)=2/3
e. 6/10=6:2/(10:2)=3/5
f. 12/27=12:3/(27:3)=4/9
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Bonjour,
42) a. 4/5=4*3/(5*3)=13/15
b. 5/9=5*4/(9*4)=20/36
c. 0,5/2,6=0,5*10/(2,6*10)=5/26
d. 45/25=9*5/(25*5)=45/125
44) a. 8/5=8*9/(5*9)=72/45
b. 2/3=2*5/(3*5)=10/15
c. 1/6=1*3/(6*3)=3/18
d. 8/12=8:4/(12:4)=2/3
e. 6/10=6:2/(10:2)=3/5
f. 12/27=12:3/(27:3)=4/9