Adding and Subtraction Fractions with Unlike Denominators

Presentation

•

Mathematics

•

5th Grade

•

Practice Problem

•

Easy

•

CCSS

5.NF.A.1, 5.NF.A.2

Standards-aligned

Hillary M DeVane

Used 62+ times

FREE Resource

10 Slides • 3 Questions

Adding & Subtracting Fractions with Unlike Denominators

In 4th grade, you learned that adding and subtracting fractions is similar to adding and subtracting whole numbers. This year, we dig deeper into fractions operations.

Use what you know...

Some text here about the topic of discussion

1. Does Emiliano need more than 1 stick of butter?

2. How do you know?

3. Do 1/2 and 1/4 have like denominators?

Let's practice finding the common denominator of some fraction sets.

What we know so far:

Open Ended

What is the least common denominator of $\frac{1}{6}$ and $\frac{4}{9}$ ?

Type response here

Open Ended

What is the least common denominator of $\frac{3}{10}$ and $\frac{1}{6}$ ?

Type response here

Open Ended

What is the least common denominator of $\frac{1}{2}$ and $\frac{2}{5}$ ?

Type response here

Let's use what we know so add and subtract fractions with unlike denominators.

Take out your Interactive Notebooks, scissors, and glue.

But wait!!! There's another way to add and subtract unlike fractions!

https://www.youtube.com/watch?v=zRs_9sC2u4k

Lets practice!!!

https://teacher-toolbox.i-ready.com/toolbox/M.5/classroom-resources~lessonID=GA.M.5.2.10~.html

Adding & Subtracting Fractions with Unlike Denominators

In 4th grade, you learned that adding and subtracting fractions is similar to adding and subtracting whole numbers. This year, we dig deeper into fractions operations.

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