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Video instructions and help with filling out and completing Who Form 8815 Subtract

Instructions and Help about Who Form 8815 Subtract

Get a welcome to the take math Channel what we're gonna be having a look at in this video is a way of subtracting fractions from one another fractions with unlocked and on liners different bottom numbers and we're gonna be looking at how to do this pretty much instantly okay so it's a it's without all that messy working out that you often get with fractions and once your work out how to do this trick look that's a really really great and easy method of doing it as well okay so what about I'll give you an example and I'm gonna answer this one fairly quickly but you see we can answer it while I'm busily writing it down so 3/4 take away 1/2 now the answer that you should get with this is as follows you should get 2 over 8 look and you can possibly then simplify you can possibly you can simplify this further into 1/4 but I'm gonna leave them unsimplified from the minute okay so did you get that answer pretty much straightaway if not I'll tell you what I'm gonna show you how to do this pretty much right away okay and I did that exact speed so I'll show you how to do this now as follows this is how we do it so first off I'm gonna show you how to get the bottom number they're not gonna show you how to get the top them a bit once you start getting used to these I tend to start working at the top number first and in the bottom number okay so the bottom number is pretty much easy it's our 4 times 2 okay so you just multiply these two numbers you're gonna get your bottom number which is...