And since the DIA and SPY own shares in mostly U.S. dividend paying companies, their dividends are mostly qualified. But some of the dividends in the SPY are not. You can look this up yourself using the tax data from the ETF provider.
Fractions are related to division because the top of the fraction is the numerator or the dividend of the fraction and the bottom of the fraction is the denominator or the divisor of the fraction. Minor edit?
There are a number of signs that people may use to indicate division. The most common one is Ã·, but the backslash / is also used. Sometimes people will write one number on top of another with a line between them. This is also called a fraction.