LCM(29, 45) = 1305.
1305 = 32*5*29
1305
19/29 - 16/45 need common denominator here and for something like this you sometimes have to multiply denominators, one by the other, to get a common denominator, then you need a form of 1 to maintain equality 29 * 45 = 1305 ----------------------- ( then divide 1305 by denominators in turn to get equality ) 45*19/45*29 - 29*16/29*45 855/1305 - 464/1305 = 391/1305 --------------------simplest form
1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305.
1305, 2610, 3915 and so on.
30.9655
608/29 = ~20.965517
29
29
29.5
It is: 45*29 = 1305 square cm