Download presentation

Presentation is loading. Please wait.

1
**Adding and Subtracting Fractions Review**

2
**Once you have a common denominator, then add!**

ADDING FRACTIONS When adding fractions you MUST have a common denominator! Find the smallest number that both 4and 5 will go into. This number is 20. Then multiply both the numerator and denominator to get to 20. 3 4 1 5_ + x 5 = 15 20 = 19 20 Once you have a common denominator, then add! 6th Grade HomePage

3
**SUBTRACTING FRACTIONS**

QUIZ SUBTRACTING FRACTIONS 5 6 2 3 X 1 2 5 6 4 Find the least common multiple for 3 and 6. (In this case, 6) Then multiply! 1 6 This is your answer! To subtract fractions you must have a common denominator! 6th Grade HomePage

4
We need a common denominator to add these fractions. +

5
+ We need a common denominator to add these fractions. Count by 7's 7, 14, 21, 28, 35, 42, 49, 56, 63 Count by 5's 5, 10, 15, 20, 25, 30, 35, 40, 45

6
We need a common denominator to add these fractions. + Count by 7's 7, 14, 21, 28, 35, 42, 49, 56, 63 Count by 8's 8, 16, 24, 32, 40, 48, 56, 64, 72

7
+ We need a common denominator to add these fractions. Count by 3's 3, 6, 9, 12, 15, 18, 21, 24, 27 Count by 5's 5, 10, 15, 20, 25, 30, 35, 40, 45

8
+ We need a common denominator to add these fractions. Count by 3's 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33 Count by 11's 11, 22, 33, 44, 55, 66, 77…

9
+ We need a common denominator to add these fractions. Count by 3's 3, 6, 9, 12, 15, 18, 21, 24, 27 Count by 6's 6, 12, 18, 24,…

10
- We need a common denominator to subtract one fraction from another. Count by 2's 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 … Count by 10's 10, 20, 30…

11
**5 3 2 5 – 3 = 2 = - = x 5 x 5 x 1 x 1 Make equivalent fractions.**

Subtract. - = 5 – 3 = 2 x 1 2

12
Try These A D E B F C

Similar presentations

© 2024 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google