Question 550991
Add fractions: make sure the denominator is the same, add the tops
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Subtract fractions: make sure the denominator is the same, subtract the tops
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Multiply: top time top, bottom times bottom
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Divide: Dividing fractions is as easy as pie, all you do is flip the second and 
multiply (take the reciprocal  of the number you are dividing by and multiply)
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Simplify fractions: find the largest number that goes into both the denominator and numerator and divide both numbers by that number: ex 4/16 ...4 is the biggest that goes into both 1/4
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Convert decimals to fractions: 
.1 = 1/10 
.12 = 12/100 
.01 = 1/100
.001= 1/1000
.123=123/1000