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Do you need a common denominator when adding subtracting multiplying or dividing?
only when adding and subtracting
What did you learn from adding and subtracting fractions?
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.
When adding or subtracting fractions you must get a?
A Common Denominator
What is always needed when adding and subtracting fractions?
a common denominator
When adding or subtracting fractions you need to?
Find a common denamonator.
What are the Rules of adding and subtracting dissimilar fractions?
If their denominators are different then find their lowest common denominator by means of their lowest common multiple remembering to adjust their numerators accordingly before adding or subtracting.
Why do you have to have a common denominator?
A common denominator is needed when adding or subtracting fractions of different denominators.
When adding or subtracting two fractions what is a necessary requirement?
A common denominator.
Do you need a common denominator when multiplying?
Nope, just when adding or subtracting.
What is the least common multiple used for?
It helps with the adding and subtracting of fractions.
What two operations reequire a common denominator?
Adding and subtracting fractions.
What does adding and subtracting integers have in common?
I would think that the commonality of adding and subtracting integers is that the answer itself will always be an integer. In other words, the answer is always gonna be a "whole number".
