1/3 x 2 = ?
2/3
1/4 + 1/4 = ?
2/4
2/6 x 2 = ?
4/6
1/3 + 1/3 = ?
6/20 x 2 = ?
12/20
1/5 + 1/5 = ?
2/5
8/20 x 2 = ?
16/20
3/9 + 3/9 = ?
6/9
13/50 x 2 = ?
26/50
15/24
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