100*81/90 = 90%
It is 90 because 90% of 90 = 81
144:81 can be reduced to a 16:9 ratio.
The LCM is 810.
The ratio of 90 to 18 is written as 90/18
100*81/90 = 90%
It is 90 because 90% of 90 = 81
144:81 can be reduced to a 16:9 ratio.
The LCM is 810.
The ratio of 90 to 18 is written as 90/18
"90 percent" means 0.9, and "of" in arithmetic usually means "times". 0.9 x 90 = 81. 90 percent of 90 is 81.
GCF (45, 81, 90) = 9
90
81
90% of 90 = 90*90/100 = 81
lowest term of 81 over 90: 9/10
9: 1,3.9 90: 1,2,3,5,6,9,10,15,18,30,45,90 81: 1,3,9,27,81