DISSIMILAR FRACTION

DISSIMILAR FRACTION

fractions are fractions with different denominators

Look at some examples:

•  $\frac{1}{2}+\frac{1}{3}=$  

•  $\frac{1}{6}-\frac{1}{4}=$  
  

•  $\frac{1}{8}+\frac{1}{7}=$  
  

There are 2 basic steps

for solving dissimilar fraction

CHANGE ALL UNLIKE FRACTIONS INTO LIKE FRACTION

we need to change the denaminators of the fractions into a common denominator.

PROCEED WITH THE SAME PROCEDURE AS ADDING AND SUBTRACTING SIMILAR FRACTIONS

We will follow the same procedure of similar fraction

Example no.1

 $\frac{1}{2}+\frac{1}{4}=$  

• find the common multiple of 2 and 4

• 4= 2x2

• 2=2x1

• the LCD of 4and 2 is 4 as result of 2x2

•  $\ \frac{1}{2}\ +\frac{1}{4}=\frac{ }{4}\ +\ \frac{ }{4}=$  

•  $\frac{1}{2}+\frac{1}{4}=\frac{2}{4}+\frac{1}{4}=\frac{3}{4}$  

•  $\frac{3}{4}$  is the final answer

Example no.2

 $\frac{2}{3}+\frac{1}{4}=$    

• find the common multiple of 3 and 4

• 3=3x1

• 4=2x2

• 3x2x2=12

•  $\frac{2}{3}+\frac{1}{4}=\frac{ }{12}+\frac{ }{12}$  

•  $\frac{2}{3}+\frac{1}{4}=\frac{8}{12}+\frac{3}{12}=\frac{11}{12}$  

•  $\frac{11}{12}$  is the final answer