MATH

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  • Jake, why do you look so stressed?
  • It's nothing Dave, it's just that I have a test on monday for  addition and subtraction of fractions.
  • Really! I'm awsome at that!
  • Sure!
  • Then could you help me prepare?
  • 12 minutes later... (Daves house)
  • My Dad purchased a DVD to help me learn about the addition and sudtraction of fractions.I think it will help you with the test.
  • The addition and subtraction of fractions.
  • (Still in Daves' house. . . P.S don't mind the giant T.V, It's just the T.V up close.)
  • The first thing you should know about the addition and subtraction is that denominators (the number in the bottom!) is there to tell you how many pieces there are to make one whole.This is informed to you because a common mistake is that students think that if the number on the top (the numerator) is the same the whole fraction is equivalent.However this is incorrect because it does not take the same amount of pieces to make one whole.
  • In subtracting fractions, it's easiest to subtract fractions with the same denominators like how 3/4-1/4=2/4.However it's harder to do numbers with different denominators like 4/6-1/3, in this case you need to find similar denominators by multiplying the denominator.You do this by multiplying till you get the same denominator, for example, in 4/6-2/3 you need to multiply the 2/3 into 4/6 by multiplying by 2 and then subtract.For addition in factions, it's similar to subtracting because you also need to find equivalent denominators  but in adding, you need to add the fractions. Use this information to aid you in this topic.
  • I think I understand.
  • Monday-End of school (School Bus)
  • That's good news! I guess the DVD was helpful.
  • I got a 98 on the addition and subtraction fraction test!
  • End.
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