# Add fractions with unlike units - Practice

## Activating the Accessibility Feature

The MathJax Menu triggers Assistive Technology (AT) to say “clickable” before each math element. This allows keyboard users to enter the MathJax Menu via the spacebar or menu key. To activate this feature, follow the steps below when using the math worksheet for the first time.

1. Tab to a math problem.
3. Hit the down-arrow key and select Accessibility submenu entry.
4. Open the submenu entry and select hit the Activate command.

If you'd like to save your work so that you can pick up where you left off or to email your answers to a teacher, hit Ctrl+S. This will open the window where you can save your work. Hit Save. Your worksheet is now saved on your computer.

## Use a rectangular fraction model to find the sum. Simplify your answer, if possible.

Question 1: $\frac{1}{2}+\frac{1}{3}=$
Question 2: $\frac{1}{3}+\frac{1}{5}=$
Question 3: $\frac{1}{4}+\frac{1}{3}=$
Question 4: $\frac{1}{3}+\frac{1}{7}=$
Question 5: $\frac{3}{4}+\frac{1}{5}=$
Question 6: $\frac{2}{3}+\frac{2}{7}=$