15
It is: 15
15
LCD(49, 21) = 147
The LCD of 13, 14 and 15 is 2730 The LCD of 1/3, 1/4 and 1/5 is 60
15.
15
245
The LCD of x, 5, 7, 15 is 105x.
5 = 5 12 = 2² x 3 15 = 3 x 5 2² x 3 x 5 = 60
The LCD of 3,5 and 15 is 15 because they can all go into 15!
15