Add or subtract:

1/2 + 2/3 3/8 + 5/6 9/4 - 2/9

What would be the lowest common denominator of each fraction below?

1/2 and 2/3 3/8 and 5/6 2/9 and 9/4

I have 1/4 of a treasure map. Mr. Coleman has 1/4 of the same paper. Mr. Lutke has 1/3 of the same map. Do we have the whole treasure map? How do you know?

I can add and subtract fractions.

What do we need in order to add and subtract fractions?

Let's make a fractions operations commonplace entry!

Let's try using a frame to help us remember the steps!

Here's the frame!

Let's start our practice together. When you're ready to work alone, go for it!

Try these problems for a 3!

answers

Challenge work for a 4!

More practice for a 5!