2 Ways to Multiply Mixed Numbers

Multiplying fractions provides an interesting challenge. Put some mixed number into the situation and you could be facing a real bear.

Here’s one way to work the problem by converting it to mixed numbers:

Or you can use the handing dandy distributive property (or as some might recognize it – FOIL):

Here’s one more for fun:

Thanks to NapNinja4 on MyMathForum for this question.

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Kathy Jorgensen says:

November 16, 2015 at 12:35 pm

In your first example of how to multiply mixed numbers, you state the following:

Here’s one way to work the problem 2 3/4 x 8 1/7 by converting it to mixed numbers.

However, they are already mixed numbers. I believe you meant to say “converting them to improper fractions.” You might want to fix that!

Reply
- Bon says:
  
  November 19, 2015 at 11:34 am
  
  Thanks for pointing it out, Kathy. I won’t likely fix it, as refilming takes a ton of time and students will know what I mean.
  
  Also, it’s always nice to see math teachers make errors. Keeps the rest of us feeling like it’s okay to make errors too. 🙂
  
  Reply
  - Allie says:
    
    May 9, 2019 at 5:38 pm
    
    Hi this really helped me with my homework so thank you!
    
    Reply
Allie says:

May 9, 2019 at 5:38 pm

Hi this really helped me with my homework so thank you!
😄

Reply