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Let's work that out together: 2/15 - 1/12 = 24/180 - 15/180 = 9/180 = 1/20 Here's what we just did: 1. Convert the denominator (lower number) to a common denominator. The easy way here is multiply them (15 x 12). 2. Convert the numerator by multiplying each by the other denominator. 3. Subtract 4. Convert the solution to the lowest factor.
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What is two quarters minus two thirds?
Two quarters minus two thirds is negative one sixth. Two quarters is six twelfths, and two thirds is eight twelfths. Six twelfths minus eight twelfths is minus two twelfths or minus one sixth.
What is 5 and two fifths minus -2 and seven fifteenths?
7
What is one fifteenth minus two fifths?
Find the "common denominator". 2/5 is 6/15. So 1 fifteenth minus 6 fifteenths is minus 5 fifteenths , or minus one third
What minus two thirds is one quarter?
It is eleven twelfths.
What is three quarters minus two thirds?
Converting to twelfths gives 9 twelfths minus 8 twelfths which is 1 twelfth.
