There are 12 female students and 18 male students in a class. Which of the following expresses the ratio of female students to male students in the simpliest form? a) 3/2 b) 3 to 2 c) 2/3 d) 3:2

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?