By dividing both numerator and denominator by the GCF, your fraction is reduced to it's simplest form. Often you can find the GCF by trial and error. But there is also a method to find the GCF. Therefore we use use prime numbers. A prime number is a number that is divisible only by itself and 1: The list of prime numbers is infinite: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 39, 41, 43, 47, 53, etc. How is vsepr used to classify molecules? What are the units used for the ideal gas law?
How does Charle's law relate to breathing? What is the ideal gas law constant? How do you calculate the ideal gas law constant? How do you find density in the ideal gas law? Does ideal gas law apply to liquids? Impact of this question views around the world. In fact, we'd know that they have 2 as a common factor without having to work out all their factors, because both 30 and 36 are even numbers.
This method will reduce a fraction to its lowest terms, but it can take several steps until you reach that point. What would have happened if, instead of dividing the numerator and denominator by their lowest common factor, we had started with their greatest common factor? This time, it takes only one step to get to the same result.
To reduce a fraction to its lowest terms, divide the numerator and denominator by the greatest common factor. Another way to reduce fractions is to break the numerator and denominator down to their prime factors , and remove every prime factor the two have in common.
Let's do that example one more time, using this method. If you think about it, this works the same way as the last method.
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