Addition of Fractions


 
 
Concept Explanation
 

Addition of Fractions

Addition of fraction:

Adding Fractions with the Same Denominator:

For example:

Adding Fractions

The only thing we need to do is add the numerators and leave the denominator alone. The answer is:

Adding Fractions

Adding Numbers and a Fraction

For example:

Adding Fractions

The first thing that we need to do in this case is to convert the 2 into a fraction. As you already know, we can simply put a 1 in the denominator of any number without changing its value:

Adding Fractions

When we have two fractions, we can start looking for the common denominator. In this example, it’s quite simple because the least common multiple of 1 and any number is that number. So:

Adding Fractions

Now, we only need to multiply 2 x 4 and we get:

adding

and now we put it into our addition problem:

Adding Fractions

 

Sample Questions
(More Questions for each concept available in Login)
Question : 1

Add the given fractions: large frac{-5}{7};and;frac{3}{7}

Right Option : C
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Explanation
Question : 2

Add the given fractions: large frac{-8}{11};;and;; frac{-4}{11}

Right Option : B
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Explanation
Question : 3

Sum of   large frac{8}{4},frac{9}{6},1frac{3}{5}    is

Right Option : B
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Explanation
 
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