Question

Determine:



a) mmc (18, 12)

b) mmc (40, 30)

c) mmc (60, 20)

d) mmc (200, 50)

Answer 1

a) 18,12/2 9,6/2 9,3/3 3,1/3 1,1 m.m.c 36 b)40,30/2 20,15/2 10,15/2 5,15/3 5,5/5 1,1 m.m.c 120 c)60,20/2 30,10/2 15,5/3 5,5/5 1,1 m.m.c 60 D)200,50/2 100,25/2 50,25/2 25,25/5 5,5/5 1,1 m.m.c 200

Answer 2

Oi Anna

a) mmc (18, 12)  = mmc(2*3^2, 2^2*3) = 2^2*3^2 = 36

b) mmc (40, 30) = mmc(2^3*5, 2*3*5) = 2^3*3*5 = 120 

c) mmc (60, 20)  = mmc(2^2*3*5, 2^2*5) = 2^2*3*5 = 60

d) mmc (200, 50) = mmc(2^3*5^2, 2*5^2) = 2^3*5^2 = 200

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