1. Open any EXCEl worksheet, select a cell casually, and click the Insert option on the menu bar;

2. Select a formula in the Insert menu and click;

3. After the system opens the formula compiler, find the fraction symbol, as shown in the figure below, circled with a red box;

4. After inserting the fractional symbol, enter the corresponding number in the numerator denominator;

5. Click the worksheet and exit the compiler window, then you can see the entered score.