Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
2 * (1/1 + 1/2) - (1/100 + 1/101) - (1/100 + 1/2)
2 * (1/1 + 1/2) - (1/100 + 1/101) - (1/100 + 1/2)
Natural Language
Math Input
Extended Keyboard