You may write "over" or "divided by" in place of the fraction bar.
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Proportional reasoning relies on ratios. A key idea is that every ratio can be written as a fraction, and every fraction can be thought of as a ratio. Example: I make just 2/3 as much as my husband – this is thinking about it as a fraction.
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You can use the double-period-slash (../) to signify a link to a parent directory (for a relative path) or trim the contents of the current script's path (found in the magic constant "__FILE__" and the superglobal array key "$_SERVER['PHP_SELF']") with a function like explode and implode to find the directory above it (for an absolute path).For the latter, here is an example:
Example 1/2 (Use the Key next to the right shift "?/") or 1 --- 2 (You have to use 3 lines)
Absolutely! Today's calculators do far more than the early ones that only performed the basic operations of addition, subtraction, multiplication, and division. Most scientific calculators today have a Fraction Key which I will denote FK for this post.For example, on the TI-30Xa, the FK is denoted a b/c which corresponds to a mixed number such as 3 1/2. There's also an improper fraction key denoted d/c which can be accessed using the 2ndfunction key. Regardless, I've found that the a b/ckey will suffice for any fraction (regular, improper, and mixed).Entering fractions into the calculator is easy. Suppose you wanted to evaluate the following: 2 1/3 + 7/8. Enter "2 FK 1 FK 3 + 7 FK 8 =" Presto! Your answer appears in a format similar to the following "3_5_24" which represents 3 5/24.No more having to find common denominators! The fraction key also works with the other basic operations of subtraction, multiplication, and division. Did I mention that it also reduces the answer to it's simplest form?That Fraction Key is what I call amazing!