Adding and Subtracting Unlike Fractions

Maths

example

Addition of unlike fractions

Unlike fractions are the fractions which do not have same denominator i.e. they have different denominator.
Eg:-  and
Let's see how to add these two :
i.e.
Since, the denominators are not same. Cross multiply the numbers as shown
i.e.



.

example

Subtraction of unlike fractions

Take two unlike fractions and
Let's see how to subtract the above two unlike fractions 
i.e. 

....... Cross multiplying the numbers