as frações representada a seguir 15/20, 18/24, 8/20, 12/40, 18/45 e 4/12 são equivalentes a quais frações 2/5, 1/3, 3/4, 3/10
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15/20=3/4
15:5=3
20:5=4
18/24=3/4
18:2=9:3=3
24:2=12:3=4
8/20=2/5
8:2=4:2=2
20:2=10:2=5
12/40=3/10
12:2=6:2=3
40:2=20:2=10
18/45=2/5
18:3=6:3=2
45:3=15:3=5
4/12=1/3
4:2=2:2=1
12:2=6:2=3
15:5=3
20:5=4
18/24=3/4
18:2=9:3=3
24:2=12:3=4
8/20=2/5
8:2=4:2=2
20:2=10:2=5
12/40=3/10
12:2=6:2=3
40:2=20:2=10
18/45=2/5
18:3=6:3=2
45:3=15:3=5
4/12=1/3
4:2=2:2=1
12:2=6:2=3
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