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What is the rule for adding and subtracting fractions?

What is the rule for adding and subtracting fractions?

To add or subtract fractions they must have the same denominator (the bottom value). If the denominators are already the same then it is just a matter of either adding or subtracting the numerators (the top value). If the denominators are different then a common denominator needs to be found.

What are the steps in adding fractions and mixed fractions?

Step 1: Keep the denominator the same. Step 2: Add or subtract the numerators. Step 3: If the answer is an improper form, reduce the fraction into a mixed number. Exercise 1: Add the fractions, + .

How do you add and subtract by fractions?

List the fractions.

• Solve for the numerators first. Multiply ยน to the denominator/s of the other fractions.
• Do as to other fraction.
• Add all the product.
• Now you have the numerator.
• Solve for the denominator.
• Multiply all the denominator.
• You have the answer. Why do I have to multiply and find a common denominator?
• How to add and subtract with fractions?

Equivalent fractions with fraction models (denominators 10&100) Get 5 of 7 questions to level up!

• Equivalent fractions (denominators 10&100) Get 5 of 7 questions to level up!
• Decompose fractions with denominators of 100 Get 3 of 4 questions to level up!
• How to add and subtract algebraic fractions?

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• What is adding and subtracting integers?

When adding integers with different signs, subtract the numbers and keep the sign of the larger number. For example: 1 + (-8) = -7 As the addends have different signs, we need to subtract them. And since 8 is the larger number, the sum carries a negative sign. Rules for Subtracting Integers