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I think that the easiest way is probably (1) to convert to improper fractions, (2) then get a common denominator, (3) add or subtract, (4) reduce, and finally (5) convert back to a mixed number.

That isn't what you are taught in school. In school you would (1) go straight to the common denominator then (2) see if it is possible to subtract, you don't have as many difficulties to consider in addition, then (3) you may have to 'borrow' 1 from a whole number and turn it into a fraction to make the denominator large enough to subtract, (4) subtract the whole numbers and subtract the fractions, (5) reduce the fraction as needed. In addition you just (1) get a common denominator (2) add whole numbers and fractions (3) reduce the fraction and in some problems change it into a proper fraction and increase the whole number.

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โˆ™ 2013-05-30 08:51:51
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: How do you add or subtract unlike fraction as a mixed numbers in simplest?
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What set does -1 belong to intergets or rational or both?

Integers are numbers with no fractional part. Rational numbers are those that can be expressed as a fraction (unlike pi or square root of 2). The number -1 is both because it has no fractional part and can be expressed as -1/1.


What are unlike mixed numbers?

the fractions have different denominators


What are like and unlike signs?

Like signs: When both numbers are either positive or negative, like: +6 and +4 Unlike signs; When one is either positive or negative, like he nd lo sn.x


When can you add or subtract coefficients?

You can add and subtract coefficients when they occur in like terms, which means they have the same variable. 2x + 3x = 5x (This addition can take place because all of the variables are x, and are therefore like terms.) and 5y - 2y = 3y (This subtraction can take place because all of the variables are y, and are therefore like terms.) However, if the variables differ, they are unlike terms, and you cannot add or subtract the coefficients. For example: 2a + 3b cannot be added because a and b are different variables, and therefore unlike terms. 3c - 2d cannot occur because c and d are different variables, and therefore unlike terms..


How is combining like terms similar to adding and subtracting square roots?

In surd form, square roots need to be have the same radical term before you can add or subtract them. However, unlike in algebraic expressions, it is possible to add or subtract square roots using approximate (decimal) values.

Related questions

What are the steps to subtract unlike fractions?

first find a common denominator then subtract the top numbers


How can the greatest common factor and least common multiple help you work with fractions?

Finding the GCF of the numerator and the denominator of a fraction and dividing them both by it will give you the simplest form of that fraction. Finding the LCM of unlike denominators and converting them to it will make it possible to add and subtract unlike fractions.


How do you subtract unlike fractions?

The first thing you obviously do is find an equivalent fraction for thedenominator number at the bottom of the fraction.).After you've done that you gotta subtract whatever you put to the top you put to the bottom! :>


Can you subtract unlike terms?

No. You can't subtract unlike terms


How do you order unlike fraction?

The simplest way is to convert them to like fractions, or percentages.


How do you add and subtract mixed numbers with unlike denominators?

just change the fration with the smallest denominator and add or subtract the way you always do.


Why is it important to find the LCM of 2 numbers?

It will help when you want to add and subtract unlike fractions.


How can knowing the GCF and LCM help you when you add subtract and multiply fractions?

Knowing the LCM will help when adding or subtracting unlike fractions. By finding the LCM of the denominators, (called the lowest common denominator) you can convert unlike to like fractions and proceed with the adding or subtracting. Knowing the GCF helps reduce a fraction. By finding the GCF of the numerator and the denominator and dividing both of them by it, you can reduce a fraction to its lowest terms (simplest form). If the GCF is 1, the fraction is in its simplest form. You can successfully multiply fractions without knowing the GCF or LCM.


What are exact numbers?

Exact numbers are defined numbers unlike measured numbers that often feature a fraction part. They are mostly integers found as counts of objects.


What is the benefit of getting the least common multiple of two or more numbers?

It will enable you to add and subtract fractions with unlike denominators.


How do you add and subtract fractions with unlike denominators without finding a common denominator?

The fastest and surest way to do that is to have a calculator that has a fraction button. (a b/c)


Do you add and subtract like and unlike fractions in the same way?

no, to add and subtract like and unlike fractions the denominator has to be the same,

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