You never 'do' the fractions. There are a number of procedures you may be askedto do with them, and the technique and operations you choose will depend in eachcase on exactly what you've been asked to 'do' with them.
Irrational and transcendental numbers cannot be written (exactly) as fractions.
There are an infinite number of different fractions between two fractions. If you want the one that's exactly in the middle, half-way between them, there's only one of those. It's called the "average" of the two fractions. Find it like this: -- Add the two fractions together. -- Divide the sum by 2 .
LCD is the Lowest Common Denominator which is the lowest number into which the denominators of all the fractions will each divide exactly. Each of the fractions can then be converted to an equivalent fraction with the new denominator which then allows the fractions to be added and/or subtracted.
You draw each of the fractions on the number line, and see which one is more to the right, i.e., greater. Please note that plotting the exact position of fractions this way is a bit imprecise - it is more exact to convert the fractions to a common denominator.
It means that two fractions represent exactly the same number - it is just written in a different way. For example, 2/4 is the same as 1/2, meaning it is really the same number.
There are infinitely many fractions between any two numbers - no matter how close they are to each other. There is no number which is "exactly the fraction".
fractions are parts of a whole number
There are an infinite number of fractions of six.
fractions are parts of a number
A simple fraction is a fraction that is a whole number divided by a whole number. Complex fractions can have fractions inside of fractions.
To subtract a mixed number by a mixed number you first need to turn the fractions into improper fractions then you just subtract them as you would with the normal fractions