Download presentation

Presentation is loading. Please wait.

Published byApril Hart Modified over 3 years ago

1
Adding and Subtracting Unlike Fractions Lesson 4-3

2
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.

3
WHAT DOES THAT MEAN? Let’s illustrate the steps with an example. 3 4 + 1 6

4
3 4 + 1 6 Multiples of 4: 4, 8, 12, 16, 20 Multiples of 6: 6, 12, 18, 24, 30 + 12 x 3 9 x 2 2 12 11

5
Example 2 9 10 2 5 10, 20, 30, 40, 50 5, 10, 15, 20, 25 10 x 1 9 x 2 4 = 10 5 = 1 2

6
Homework Time!

Similar presentations

© 2019 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