1/4
440/21 is in its simplest form.
440/35 = 88/7 in simplest fractional form.
22/35.
3/5
440/1760 = 1/4 divide them both by 440
440
440
It is: 1760/4 = 440
440 is, itself, a whole number and, because it is a whole number, it is in its simplest form.
440/1760 = 1/4
440, 880, 1320, 1760, 2200, 2640 +440 . . .