SUBTRACTING MIXED FRACTIONS WITH UNLIKE DENOMINATORS

About "Subtracting mixed fractions with unlike denominators"

"Subtracting mixed fractions with unlike denominators" is sometimes a difficult job for the children who study math in primary level.

Actually it is not a difficult one, once we have understood the concept.

Here we give you step by step explanation to subtract two mixed numbers.

Step 1 :

First we have to make the denominators of the fraction parts of the mixed numbers to be same.

One we have made the denominators to be same, we have to follow the next  step . 

Step 2 :

After having made the denominators to be same, we have to llok at the numerators.

Here, always we have to keep a condition in our mind.

That is, the numerator of the first fraction must always be greater than the numerator of the second fraction.

If the numerator of the first fraction is greater than the numerator of the second fraction, then we can do the subtraction easily. 

Do you want know, how it is?

Please watch this video.....

If the numerator of the first fraction is less than the numerator of the second fraction, then we have to make the numerator of the first fraction to be greater by doing some simple tricks.

Do you want know, how it is?

Please watch this video.....

Here the key point is, after having made the denominators of both the fractions to be same, the numerator of the first fraction must always be same.

In some problems, it will not be so.

If it is not so, what should we do? It has been explained clearly in the second video.

The trick is,

"In the example problem explained in the second video, 17 is reduced by 1and the denominator 9 is added to the numerator 3 and the result 12 to be considered as numerator of the first fraction". 

Not only in this example problem, in any problem, if you want to change the numerator, we have to reduce 1 from the integer part, and add the denominator to the numerator and the result to be considered as numerator. 

We hope the steps explained in the above video tutorials can be understood by the students and hereafter they can subtract any mixed numbers easily. 

To know more about subtracting mixed fractions with unlike denominators, please click here.

You can also visit :

Adding mixed numbers with regrouping

Adding fractions with unlike denominators

Subtracting fractions with unlike denominator

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