Express the following fractions in ascending order:
12, 54, 23: ___, ___, ___
12
23, 54
12=1×62×6=612;
54=5×34×3=1512;
23=2×43×4=812
612, 812, 1512
25, 34, 13: ___, ___, ___
Arrange the following fraction in ascending order.
23,34,512and916