Single Variable
x5 * x-2
x3
x4y4 / x6y2
x-2y2
4z4 * 2z6
8z10
5-2
1/52
or
1/25
10x4 / 6x2
5/3 x2
x-4 / x3
x-7
z-5y3 * z2y7
z-3y10
3x4v4 * 5x2v-3
15x6v1
2x-3
2/x-3
20y-3 / 5y-6
4y3
y3 * y-2
y or y1
w5f2 * w-2f5
w3f7
7c3b-5 * 2c2b2
14c5b-3
x2y-3
x2/y3
16x2y6 / 4x5y2
4x-3y3
45 / 48
4-3
bonus points 1/64
a4s3d6 / a1s-3d4
a3s6d2
2/3 x3 * 3 x-6
2x-3
2x-5z-1
2/x5z
3z10a6 / 2z3a-2
3/2 z7a8
b4 * b3
b7
(z4x1v6 * z3x4v-4) / z6x7v3
z1x-2v-1
bonus points
zv / x2
5 b-4m3y-3 * 7 b3m-13y-7
35/b1m10y10
1/3x-2y3z-5
y3/3x2z5
8a4b12c3 / 4a2b-2c-4
2a2b14c7