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Mathematics 18 Online
OpenStudy (akidwell133):

3 1/3-2 2/5=?

OpenStudy (welshfella):

convert to improper fractions first 3 1/3 = 10/3 and 2 2/5 = 12/5 10/3 - 12/5 now find LCD of 3 and 5

OpenStudy (welshfella):

LCD = 15 so multiply first fraction by 5/5 and the second by 3/3 then you can subtract

OpenStudy (welshfella):

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