These numbers have no common factor so the LCM is their product, ie 2632.
4536
7560
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
The LCM is 952.
504 9*56 = 504 8*63 = 504
LCD(28, 56) = 56.
1512
4536
56
It is: 728
7560
As 2 is a factor of 56, lcd(2, 56) = 56.
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
8
The LCM is 952.
56
504 9*56 = 504 8*63 = 504