# Math Expressions

I don't know how to read most of the math expressions.

For example:

• 2/6
• 75

Is there anything to learn them?

In U.S. English:

2/6

This can be read many different ways. A few common ones:

1. "Two over six" Emphasizing that is a fraction.
2. "Two sixths" Again emphasizing that it is a fraction - specifically a number of sixths.
3. "Two divided by six" Calling out that relationship between fractions and division.
4. "six into two" A short form of the above, used more frequently when the numerator is larger than the denominator. (e.g. 13/2 = 6.5 Two into thirteen is six point five )
5. "Two out of six" If the statement is about ratios. "Two out of six doctors drink soy sauce."
6. "Two of six" short form of #5 "Two of six doctors drink soy sauce."
7. "Two per six" similar to #5, especially in describing a success rate. "My answers were accepted at a rate of about two per six."

75

This is an easier one, because it really has only one meaning, albeit with different ways of pronouncing it. Here are some common ones.

"The fifth power of seven"

"Seven raised to the fifth power" OR "Seven raised to the fifth"

"Seven to the fifth power" OR "Seven to the fifth" OR "seven to the power of five"

The last two are handy when you are raising a value to something less compact than 5.

73x+1 is "Seven to the power of three ex plus one." or "seven to the three ex plus one"

• Superficially related: Page numbers are often given in this format, where the "numerator" is the current page, and the "denominator" is the total number of pages in the book/chapter/leaflet/document. In that case, we might use the ordinal. "2/6 --> Second page of six." – Adam Jan 13 '15 at 15:58