"Adding and Subtracting Fractions" PPT Courseware for Adding and Subtracting Fractions 2

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"Adding and Subtracting Fractions" PPT Courseware for Adding and Subtracting Fractions 2

How do you add and subtract fractions with the same denominator?

Add and subtract fractions with the same denominator. Keep the denominator unchanged and add and subtract the numerators. The result should be converted into its simplest fraction.

What fraction of the square was paved today and yesterday?

Think about it: Can fractions with different denominators be added and subtracted directly? Why?

Fractions with different denominators cannot be added or subtracted directly because the fraction units are different.

Let’s talk about it: How to add and subtract fractions with different denominators?

To add and subtract fractions with different denominators, first divide the fractions with different denominators into fractions with the same denominator, and then add and subtract them.

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For more information about the PPT courseware "Add and Subtract Fractions, Add and Subtract Fractions", please click the Add and Subtract Fractions ppt ppt tag.

"Addition and Subtraction of Fractions with Different Denominators" PPT:

"Addition and Subtraction of Fractions with Different Denominators" PPT Part One: Analysis of Examples Example 1: Yaya and Honghong use the same size colored paper to make origami flowers. (1) How many pieces of paper did they use in total? Can we add directly if the denominators are different? First, use the lowest common multiple of 2 and 3 to calculate the centimeter...

"Adding and Subtracting Fractions" PPT:

"Adding and Subtracting Fractions" PPT Part One Content: Review Review Fill in the Blanks 1: 3/8 means dividing the unit 1 into ( ) parts equally, indicating the ( ) parts among them. Its fractional unit is ( ), and there are ( ) ( ) in it. Review fill-in-the-blank 2: (1) The score sheet of 7/8..

"Simple Fraction Addition and Subtraction" PPT:

"Simple Fractions Addition and Subtraction" PPT Part One Content: Review: 1. Fractions are composed of three parts: the denominator, the numerator, and the fraction line. 2. The number below the fraction line is called the denominator, which represents the number of equal parts that unit 1 can be divided into. The number above the fraction line is called the numerator, which represents the number of equal parts.

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University fifth grade mathematics volume 2 industry PPT template

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