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

Instructions and Help about How Form 8815 Subtract

One of the trickiest things to pick up on is how to work with fractions. The reaction most people have when they see a fraction is to run the other direction. Fractions, fractions, and that's not what we want to do. What we want to do is hit them right on the head. We need to add, subtract, multiply, and divide fractions. These are the four basic operations that we have to do. First, we have to learn to add them, which is actually the hardest one for me. Okay, so we want to add 2/5 plus 1/5. We need to have a rule or some sort of process to add a fraction. Curtis, do you know how to add fractions? I sure can, Mr. Mangled. Hi, I'm Curtis, and adding fractions is easy. 2/5 plus 1/5 is 2 plus 1, which is 3, over 5. This bottom number is the same, so I just keep it. 2/5 plus 1/5, I reckon, is going to be 3/5. Okay, thanks Curtis. As he said, if the bottom numbers are the same, then we can just add the top two numbers, that's it. If the bottom numbers are the same, if they have a common denominator, we add the top two numbers and keep the original bottom number. So, what happens when we have a different denominator or the number on the bottom is not the same? How do we add the top numbers? Right, there's gotta be something for that. Curtis, do you know? You know, I'm sure how to add those bottom numbers. Is their friend? Okay, maybe not. So, when looking at this, it's really easy. We want to make this bottom number the same so we can follow our first rule and just add the top two numbers....