Related Post: 3 * 10 8 2 (- 3 10 8 (- 2 6 3 10 8 20 3 * 10 8 2.4 3 10 8 25 3 8 10 2 1 3 10 2a 8 )= 15 3 * 10 8 4 2 3 X 10 8 2.42 3 10 And 8 25 Common Denominator