On Saturday, Stella worked for two hours helping her mother around the house. She spent
Draw a rectangle like the one the right. A horizontal rectangle.
How can you subdivide it so you can represent one third and one fourth?
Try this before moving on.
One way to show both fractions is with a diagram: The rectangle divided into 12 equal parts with 3 rows of 4 columns
Copy this diagram and shade
What is left?
The answer is
How can you arrive at this answer without drawing a diagram?