I've noticed, though I have no explanation for this, latex tags need spaces where math tags do not. So I'm guessing...testing...

[math]\frac{1}{1}+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = 2[/math]

[math]\frac{1}{1}+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = 2[/math]

why is [math]/frac{1}{14}[/math] not rendering right using the latex tags instead of math tags?

[math]\frac{1}{1}+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = 2[/math]

[math]\frac{1}{1}+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+ \frac{1}{14}+\frac{1}{28} = 2[/math]

Yeah, a space before the "\frac{1}{14}" fixed it. To prevent it rendering you can use [noparse][/noparse] tags...

[math]\frac{1}{1}+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+ \frac{1}{14}+\frac{1}{28} = 2[/math]

Sorry 'bout the confusion.

~modest