Free version of Zoom Math 300 not only make calculating fraction super easy, but it also do distributive Property, FOIL, and combine like terms to validate your answer.
The Paid version even show you how to solve an equation step-by-step to help you improve your understanding of algebra. I have tested using this app, and I strong recommend Zoom Math 300 as an independent learning tool for any student struggling with algebra 1 or 2.
Use coupon code CMCpat to get 20% off any app you choose to purchase on www.ZoomMath.com
( Note: I do not profit from your purchase of this app, and I suggest you do not abuse the power of this app to finish your homework or exam without learning how to do algebra by hand. This is a learning tool, not a cheating tool )