2.4 times.
1 with remainder 17
45 - 28 = 17.
Exactly 4 times, with no room left and nothing hanging out.
45 x 28 = 1260
28
45 and 28 have no common factor. In other words, you can't simplify that.
28/45 x 100 = 62.2 %
The LCM is: 1,260
28/45 is about as simple as it can get. The numerator and denominator haveno common factor except ' 1 '.
The GCF is 1.
It is: 90/28 = 45/14 simplified