Question

Calcule o mmc

A) 90, 30, 45

B) 60, 90, 42

C) 15, 75, 20

D) 40, 72

Answer 1

A)90,30,45|2
45,15,45 |3
15,5,15 |3
5,5,5 |5
1 |2x3x3x5=90

Answer 2

A) 90 , 30 , 45 / 3

30 , 10, 15 / 2

15, 5 , 15 / 3

5, 5 , 5 / 5
1 , 1 , 1


MMC =3x 2 x 3 x 5= 90

B) 60 , 90 , 42 / 2
30 , 45 , 21 / 3
10 , 15 , 7 / 2
5 , 15 , 7 / 5
1, 3 , 7 / 3
1 , 1 , 7 / 7
1 , 1 , 1

MMC = 2X 3 X 2 X 5 X 3 X 7 = 1,260



C) 15 , 75 , 20 / 3
5 , 45 , 20 / 5
1 , 9 , 4 / 3
1 , 3 , 4 / 3
1 , 1 , 4 / 2
1 , 1 , 2 / 2
1 , 1 , 1


MMC = 3X 5 X 3 X 3 X 2 X 2 = 540



D) 40 , 72 / 2
20 , 36 / 2
10 , 18 / 2
5 , 9 / 5
1 , 9 / 9
1 , 1

MMC = 2 X 2 X 2 X 5 X 9 = 360