• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Add subt unlike den1
 

Add subt unlike den1

on

  • 320 views

 

Statistics

Views

Total Views
320
Views on SlideShare
313
Embed Views
7

Actions

Likes
0
Downloads
1
Comments
0

4 Embeds 7

http://6thb.blogspot.com 3
http://6thb.blogspot.mx 2
http://www.6thb.blogspot.com 1
http://6thb.blogspot.dk 1

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Add subt unlike den1 Add subt unlike den1 Presentation Transcript

    • Adding and Subtracting fractions with Unlike denominators
    • Rewrite the problem with equivalent fractions
      • List the multiples of both denominators.
      • Find the least common multiple (LCM).
      • Write new fractions with the LCM as the new denominator.
      • Find the factor you multiply by to get from your original denominator to your new denominator.
      • Use that same factor, and multiply it by your original numerator to get a new numerator.
    • WHAT DOES THAT MEAN? Let’s illustrate the steps with an example. 3 4 + 1 6
    • 3 4 + 1 6 Multiples of 4: 4, 8, 12, 16, 20 Multiples of 6: 6, 12, 18, 24, 30 + 12 12 x 3 9 x 2 2 12 11
    • Example 2 9 10 2 5 10, 20, 30, 40, 50 5, 10, 15, 20, 25 10 10 x 1 9 x 2 4 = 10 5 = 1 2
    • Homework Time!