840
280
LCD(10, 8, 7) = 280.
56 is the lcd of 8 and 7. You can get this by multiplying 8x7. 8 and 7 have no common factors; that is why you multiply the two numbers to get the lcd.
3/4 = 12/167/16 = 7/165/8 = 10/16
3/4 = 12/167/16 = 7/165/8 = 10/16
LCD(12, 8) = 24.
The LCD of 5/8 and 7/12 is 24.
If that's 3/8 and 7/10, the LCD is 40.If not, it's 13490
The LCD for 8 and 10 is 40. To find it, list the multiples of both numbers. The first multiple that they have in common is the LCD.
LCD(15, 7, 8) = 840.
d-12-10-7-5------------------------------------------------------------------10-----------10---------10/12-14/15 A--------------5/7-7/8-12-10-8-7-7/8/10-1212\8-7/8---/13-12-8-7------10-8-7-----10-10----------------- F---------------------------------------------------------------5---------------------------------------------------------- C-------------------------------------------------------------------------------------------------------------------------- G-------------------------------------------------------------------------------------------------------------------------- D--------------------------------------------------------------------------------------------------------------------------
3390. If you meant to write 6, 7, 8 and 10, that's 840.