Search Header Logo
Adding and Subtraction Fractions with Unlike Denominators

Adding and Subtraction Fractions with Unlike Denominators

Assessment

Presentation

Mathematics

5th Grade

Practice Problem

Easy

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

Standards-aligned

Created by

Hillary M DeVane

Used 55+ times

FREE Resource

10 Slides • 3 Questions

1

​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.

2

​Use what you know...

media

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?​

​​

3

media

4

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

What we know so far:

5

Open Ended

What is the least common denominator of 16\frac{1}{6}   and 49\frac{4}{9}  ?

6

Open Ended

What is the least common denominator of 310\frac{3}{10}   and 16\frac{1}{6}  ?

7

Open Ended

What is the least common denominator of 12\frac{1}{2}   and 25\frac{2}{5}  ?

8

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

media

Take out your Interactive Notebooks, scissors, and glue.

9

media

10

media

11

media
media

12

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

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

​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.

Show answer

Auto Play

Slide 1 / 13

SLIDE