18^28 = 140,485,060,518,220,186,283,313,934,500,888,576
504 = 18 x 28 = 28 x 18 252 = 9 x 28 = 14 x 18
10
18/28 = 64.3%
46
18 + 10 = 28
Halfway between 18 and 28 is (18 + 28) ÷ 2 = 23.
The GCD of 18, 28 is 2.
28 + 18 = 46
18
28*18 = 504 is one.
2 :)x This is how you can work it out: 18: 1,2,3,6,9,18 (These are the numbers that 18 and 28 go into.) 28: 1,2,4,7,14,28 So the highest common factor of 18 and 28 is 2. Hope it helps :)
28