Subtract Mixed Numbers with Unlike Denominators

Sometimes, subtracting mixed numbers involves ungrouping.  This is similar to other subtraction problems.   Please be careful and DO NOT switch the fractions.

Subtract Mixed Numbers Unlike Denominators

Adding Mixed Numbers with Unlike Denominators

Confused about mixed numbers?  No worries!  Mixed numbers are fractions that are greater than 1.  Watch this video to learn how to solve this problem:

2 1/2 + 1 2/3 = ?

Add Mixed Numbers Unlike Denominators

Subtracting Fractions with Unlike Denominators

What is 3/4 - 2/3?  Something wrong?  Can't solve this problem?  You're correct!  You cannot solve this problem because the denominators are not the same.  Watch the video to learn how to solve this problem.

Subtract Fractions Unlike Denominators

Adding Fractions with Unlike Denominators

What is 1/2 +3/5?   Something wrong?  You're correct!  You cannot solve this problem because the denominators are not the same.  Watch the video to learn how to add these two fractions.  

Adding Fractions Unlike Denominators

Interpret Fractions - Number Lines

Interpreting fractions as division of the numerator by the denominator (a divided by b= a/b) has been the focus of our lessons this week.  Today you used number lines to do this.  The following video takes you through another example.

Number Lines

Weather Instruments

Meteorologists use weather instruments to collect weather data.  This quarter, you will become meteorologists using weather instruments to collect weather data.  You will use that data to notice patterns and predict weather.  Watch this video to refresh your memory about the instruments used by meteorologists.

Weather Instruments

Interpreting Fractions as Division

I hope you enjoyed the lesson today.  Here is a video to reinforce this concept of looking fractions as a way to divide a numerator by a denominator to solve problems.  

Fractions