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Wiki User
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The LCD of 1/2 and 2/3 is 6.
Because 5 and 3 are both prime the LCD is the product of the two:5 * 3 = 15.
The LCD is 30.
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15.
3k/40 +k/18 factoring 40=2*2*2*5 18=2*3*3 LCD=2*2*2*5*3*3 LCD=360
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