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4th grade
Fractions
Simple fractions
Reducing fractions
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1
Reduce fraction
3
18
1
6
1
8
2
12
3
12
1
7
2
Reduce fraction
36
48
9
12
1
2
3
4
18
24
3
4
2
3
36
48
3
Skróć ułamek
3
9
2
3
1
3
3
9
1
4
1
5
4
Reduce fraction
2
6
2
4
2
3
1
2
4
6
1
3
5
Reduce fraction
12
18
12
18
4
6
6
9
2
3
2
8
1
3
6
Reduce fraction
6
8
1
3
8
6
6
8
1
4
3
4
4
3
7
Reduce fraction
2
4
1
2
2
3
3
4
2
1
8
Reduce fraction
4
6
2
6
2
3
1
6
1
3
4
6
9
Skróć ułamek
6
9
1
3
2
3
6
9
3
4
4
5
10
Reduce fraction
3
6
3
6
1
2
2
4
1
3
2
3
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