- 
											Fill in the blue boxes with numbers 
											that are ranging 1 to 99. You can do this 
											either by keying the numbers 
											yourself or use the 'Generate 
											Numbers' button.  
 											
											- 
											Next, pick whether you want to 
											add (+), subtract (-), multiply (×) or divide (÷) these 
											fractions.
 
											
											- 
											Click on the 'Calculate' 
											button. 
 
											
										
										The sample answer and solution will be 
										shown below the calculator.