How do I add fractions on this thing?

				I found this one thing here
				I don't know if it works
				Please help someone
				😞😞😞😞😞😞😞😞😞😞
				http://www.calculator.net

I've tried to find a decent calculator on which I can do this, but I can't! Any suggestions?😐

 

For anyone who's wondering, here's some that don't work

• calculator app
• www.calculator.com
• and just typing 'calculator' into your browser