FRACTIONS
Simply put, fractions are parts of a whole piece of something. You've probably heard someone say 'half of this' or 'one-quarter of that'. These are both fractions. Here, we are going to talk about adding and subtracting fractions.
Numerators and Denominators
Before we begin adding and subtracting, we have to learn the basic terms. A fraction for example looks like this:
As you can see, there are two numbers with a line in between them. The top number is called the numerator. It tells you how much of the whole you or someone has. The denominator tells us how many pieces are in the entire whole.
Adding and Subtracting Fractions
Now that you know what the numerator and the denominator is, adding fractions just gets easier! The first step to adding fractions is to find the lowest common denominator. To do this you have to either multiply or divide the denominators to make them the same. A tip is to multiply the two denominators together. Remember: What ever you do to the top, you do to the bottom.
Once you have the same denominators, add the numerators together and keep the denominator the same. This method works for subtractions, but of course instead of adding, you subtract.
Once you have the same denominators, add the numerators together and keep the denominator the same. This method works for subtractions, but of course instead of adding, you subtract.
How does this method work
If you read the example above, you it says you eat 2 slices in the morning and 3 in the afternoon. To calculate how much you ate, you add how many of the 8 slices you ate. To find how much is left of the pie, you subtract the slices you ate from 8.
As shown above, you have now eaten 5/8 slices, but how much is left?
This shows that you have 3/8 slices leftover.
Practice Makes Perfect
Now that you know how to add and subtract fractions, you can beat you score in A Nerd's Journey.
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