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How do you add improper fractions if the denominator can't multiply into the other denominator?
You Ned to find a larger common denominator or multiply the denominators to gain a common denominator.
How do you find a common denominator if the 3 denominators have nothing in common?
Multiply them together.
How do you subtract a fraction?
Find a common denominator (make sure you multiply BOTH the numerator and the denominator) then subtract the numerators and simplify if necessary.
Do you need to find a common denominator when you multiply fractions why or why not?
one-sixth
What is the largest common denominator of 20 and 15?
The is no "largest" common denominator. For any denominator you find, we can multiply it by a natural number and come up with a larger one. Do you mean LEAST COMMON DENOMINATOR?
How to do inequality fractions?
It helps to find a common denominator and multiply both sides of the inequality by this common denominator. That way, you have an inequality without fractions.
How can you find common denominator for two unlike fractions?
multiply the two denominators
What happens to the denominator when you add fractions?
You must find a common denominator. You figure out the smallest number that all of your denominators are divisible by. If you have to multiply the denominators by 2, you must multiply the numerators by 2, then add the numerators together, and write above the common denominator. If you have to multiply one denominator to equal the other denominator, then you must multiply the numerator above that denominator, and finally add up the numerators and place above the common denominator. Then reduce the answer to its smallest fraction.
Where to find common denominators?
Multiply any two denominators together. Their product will be a common denominator of them both.
How do you subtract and simplify fractions?
find a common denominator. multiply the top and bottom by it. then you can combine the numerators over the same denominator
How do you subtract two fractions?
You have to find a common denominator, multiply them, subtract them and then simplify if you need to.
Do you have to find the common denominator when you are multiplying fractions?
no. you can multiply straight across in fraction multiplication
