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To simplify fractions, you need to divide the numerator and denominator by their GCF. Otherwise you'll end up with fractions with unnecessarily large numbers.

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โˆ™ 2011-03-07 21:40:27
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Q: How is the GCF related to fractions?
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Related questions

Where do you use the GCF?

When you are reducing equivalent fractions.


What is the GCF of 10 and 15 in fractions?

The GCF is 5.


How do you compare fractions by using the gcf?

You cannot compare fractions by using the GCF since GCF determines the common factors of both fractions. Instead, use the LCD to compare the fractions. Find the LCM of the denominator terms of the fractions. Then, obtain the fractions with the common denominators. Finally, compare the numerator values to determine which fraction is the greatest/least.


How do GCF and LCM involve with the real world?

Use the GCF to reduce fractions. Use the LCM to add and subtract unlike fractions. Carpenters work with fractions a lot.


Why is the GCF important?

Finding the GCF will help you to simplify fractions.


Why is it important to know the GCF?

The GCF will help you to simplify fractions.


What does GCF mean in fractions?

GCF doesn't apply to fractions, only to whole numbers. When those numbers are the numerator and denominator of a fraction, the GCF can be used to reduce it to its simplest form.


How does the LCM and the GCF help in life?

Finding the LCM will help you add and subtract fractions. Finding the GCF will help you reduce fractions.


What problems can be solved using gcf and LCM?

Use the GCF to reduce equivalent fractions. Use the LCM to add and subtract unlike fractions.


When is it useful to find the LCM or gcf?

It is useful to find the LCM when you want to add and subtract fractions. It is useful to find the GCF when you want to reduce fractions.


What is the GCF used for?

Simplifying fractions


How can using the GCF and LMC help you you add subtract and multiply fractions?

To add and subtract unlike fractions, find the LCM of the denominators and convert them to equivalent like fractions. You don't have to do anything to fractions to multiply them, but you may need to reduce one after multiplying. To do that, find the GCF of the numerator and the denominator and divide both of them by it. If the GCF is 1, the fraction is in its simplest form.


What types of problems can be solved using the GCF and LCM?

The GCF can be used to reduce fractions. The LCM can be used to add and subtract unlike fractions.


How is greatest common factor related to fractions?

When you are trying to reduce a fraction, if you divide the numerator and the denominator by their GCF, you will end up with a fraction in its simplest form.


What does gcf do to fractions?

Finding the GCF of the numerator and the denominator in a fraction is the first step to simplifying it.


What is the GCF of five over two and one half?

The GCF refers to integers, not fractions.


Why it is GCF very important?

When reducing fractions to their lowest terms knowing their gcf is useful


How do you put a fraction into gcf?

The GCF refers to integers, not fractions. You can find the GCF of the numerator and denominator of a fraction (if they are integers), but you will not be able to find the GCF of two fractions.


When do you use GCF?

When you are simplifying fractions.


How can fractions be simplified by finding the GCF and using divisibility rules?

Simplifying fractions and finding the GCF is easy. All you have to do is put the fraction into simplest form and then put in a whole number.


Why do you need HCF and LCM?

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.


Why is greatest common factor in math helpful?

Finding the GCF helps to reduce fractions to their simplest form. Knowing the GCF can help to find the LCM, which assists in adding and subtracting fractions.


How can knowing the GCF and LCM help you when you add subtract and multiply fractions?

Knowing the LCM will help when adding or subtracting unlike fractions. By finding the LCM of the denominators, (called the lowest common denominator) you can convert unlike to like fractions and proceed with the adding or subtracting. Knowing the GCF helps reduce a fraction. By finding the GCF of the numerator and the denominator and dividing both of them by it, you can reduce a fraction to its lowest terms (simplest form). If the GCF is 1, the fraction is in its simplest form. You can successfully multiply fractions without knowing the GCF or LCM.


Why do you find GCF?

It helps in simplifying fractions.


How can the GCF help you with fractions?

Finding the GCF of the numerator and the denominator and dividing them both by it is the way to simplify a fraction.