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you subtract the numerator but the denominator stays the same.
If the numerator and denominator are the same, the fraction simplifies to 1. And you should be able to subtract 1!
reduce
You should check whether you can simplify the answer.
The numerator of the answer is the result of subtracting the numerators of the fractions, and the denominator of the fraction is the same as the common denominator.
In order to subtract two rational expressions by simply subtracting their numerators you must make sure that their denominators are equal.
When subtracting you have to make sure that the second numerator is multiplied by -1 so the equation turns into adding. When you add and you already have a common denominator you add the numerators and leave the denominator the same.
you subtract the numerator but the denominator stays the same.
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions?If you know how to do arithmetic with rational numbers you will understand the arithmetic with rational functions! Doing operations (adding, subtracting, multiplying, and dividing) is very similar. When you areadding or subtracting they both require a common denominator. When multiplying or dividing it works the same for instance reducing by factoring. Operations on rational expressions is similar to doing operations on fractions. You have to come up with a common denominator in order to add or subtract. To multiply the numerators and denominators separated. In division you flip the second fraction and multiply. The difference is that rational expressions can have variable letters and powers in them.
If the numerator and denominator are the same, the fraction simplifies to 1. And you should be able to subtract 1!
You subtract the numerators, and place it over the common denominator.
reduce
reduced form $ara ;)
You should check whether you can simplify the answer.
The numerator of the answer is the result of subtracting the numerators of the fractions, and the denominator of the fraction is the same as the common denominator.
subtracting similar fractions is just like adding them. You only subtract the numerator (top part) and then copy the denominator (bottom part). 4/5 - 1/5 = 3/5
Yes, eg 13/17 - 4/17 = 9/17