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Subjects>Math>Math & Arithmetic

How do you add fraction with common denominators?

Anonymous

∙ 13y ago

Updated: 9/21/2023

To add fractions w/ common denominators, like 2/5 + 1/5, you must ONLY add the numerator, or the top numeral.

Wiki User

∙ 13y ago

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What do you need to do before you add a fraction?

You need to find the least common multiple of their denominators.

How do you add and subtract fractions in math?

You need common denominators. Then add or subtract the numerators. If the answer is an improper fraction it is common practice to reduce it to a mixed number.

What must a fraction have before we add before we can add them?

They must have the same denominators.

What do you do to add fractions with common denominators?

To add fractions with the same denominators, simply add together the numerators, and cancel down if necessary. For example, 5/8 + 1/8 = 6/8. Cancelling this down to an improper fraction in its simplest form, this is equal to 3/4.

How do you add disimilar fraction?

You need to make them similar: that is, making sure they have the same denominator. This would be a common multiple of the denominators of the fractions: though not necessarily the least common denominator.

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Related Questions

What do you need to do before you add a fraction?

You need to find the least common multiple of their denominators.

How do you add and subtract fractions in math?

You need common denominators. Then add or subtract the numerators. If the answer is an improper fraction it is common practice to reduce it to a mixed number.

What must a fraction have before we add before we can add them?

They must have the same denominators.

How do you add mixed fractions with different denominators?

You make it into a improper fraction, then make a common denominator and remember to do what you did to the bottom to the top then solve

How do I find a common denominator in a fraction?

By finding the lowest common multiple of the denominators

What do you do to add fractions with common denominators?

To add fractions with the same denominators, simply add together the numerators, and cancel down if necessary. For example, 5/8 + 1/8 = 6/8. Cancelling this down to an improper fraction in its simplest form, this is equal to 3/4.

How does using fraction strips with like denominators make it possible to add fractions with unlike denominators?

because they are the same number

How do you add disimilar fraction?

You need to make them similar: that is, making sure they have the same denominator. This would be a common multiple of the denominators of the fractions: though not necessarily the least common denominator.

How do you add and subtract fractions with unlike denominators without finding a common denominator?

The fastest and surest way to do that is to have a calculator that has a fraction button. (a b/c)

How do you add a fraction if there is a connection between the denominators?

By only adding the two numeraters.

When do you add fractions when baking?

In order to add fractions, they must have the same denominators. If the fractions you wish to add do not already have the same denominators, they can be made to do so by finding the right number by which to multiply both the numerator and the denominator of each fraction. To find this number, multiply all the distinct denominators together, then multiply both the numerator and denominator of each fraction by a number found by the dividing the product of the distinct denominators by the denominator of the particular fraction concerned. All the fractions will then have the same denominator. Add the numerators of such fractions together to find the numerator of the sum; its denominator will be the one common to all the fractions.

What is the common denominators of 2 fiths?

You need at least two denominators to find something in common between them.

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