It seems like you’re trying to submit a blank exercise. Please try to solve the exercise and then submit it!


Finding the Common Denominator of Fractions with Different Denominators

Lesson statistics No cup earned
  • 0 star(s) earned
  • 0 medal(s) earned
  • 0% solved
Write test Back to curriculum

Finding the Common Denominator of Fractions with Different Denominators

Adding and subtracting fractions 5.

We are making the task more difficult. Here, as opposed to the previous preparatory chapter, the internal arithmetic structure of the denominators of the fractions will not be visible. Now you have to examine the denominators and find out which of the previous three methods must be used to find the common denominator of the fractions. Furthermore, after finding the common denominator, you also have to simplify the fraction.

Show foundation lessons


Key transformations:

1st examination

Case A:

Example A.:

2nd examination

Case B.

Example B/1.:

Example B/2.

Case C.

Example C/1.:

Example C/2.




Back to curriculum

You haven’t saved any solutions for this exercise category. .

Just a second; loading will soon be complete. Almost there. Let’s wait a little longer. Something seems to be slow here. Is your WIFI OK? Just a little more patience. Or has it finished loading already? Shall we wait longer? Have your downloads ever been this slow? Dunno’ what to say. Are you downloading something? Well, if the the internet connection is otherwise OK, try reloading the page. Or wait a little longer. I’m out of ideas. I hope it’s going to finish loading soon. Something’s broken. Please try reloading the page.
BESbswy BESbswy