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mcm = -------------------------------
MCD (denominadores)
a) 1/5 y 4/15
mcm MCD
1 - 4.....2 5 - 15 .....5
1 - 2.....2 1 - 3 MCD = 5
1 - 1 mcm = 2x2 = 4
4
mcm = ------------
5
b) 1/2 , 3/8 y 7/6
mcm MCD
1 - 3 - 7 ......3 2 - 8 - 6......2
1 - 1 - 7.......7 1 - 4 - 3
1 - 1 - 1 mcm = 3x7 = 21 MCD = 2
21
mcm = -----------------
2