18
18 is what percent of 21= 18 / 21= 0.857143Converting decimal to a percentage:0.857143 * 100 = 85.71%
19
LCM(21, 42, 18) = 126
2,870,795,128,037,760 or approx 2.871*1015
-21
-18
18, yes.21, no.
21 can be divided by 7 but 18 cant
18/21
18/21 = 6/7
18
18 is what percent of 21= 18 / 21= 0.857143Converting decimal to a percentage:0.857143 * 100 = 85.71%
19
LCD(18, 21) = 126
-39
21