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Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 4.5, 4.5/90 is equal to 1/20 or one twentieth.
5 over 18
2
The simplest form of 3528/6480= 49/90
20/90 = 2/9
4/15
10/13
7/9
28 over 90 in its simplest form is 14 over 45.
45/4
98/90 = 49/45 = 14/45
90/2842 = 45/1421
64/90 = 32/45
38 over 45
16/45
90/112=45/56
256/45
1/2
2/45
56/45