Simple, divide 900 by 10!
10% of 900 = 90 = 10% * 900 = 10%/100% * 900 = 90
90 percent of 900 is 810.
10 * 90 = 900
The LCM is: 900
385
900 x 0.10 = 90 900 - 90 = 810
90
480
The product of 900 multiplied by 90 is 81,000.
90 is 10% of 900. 90x10=900
90 = 900%