It is: 230/45 = 46/9
23/50
23/50
3,335 / 230 = 14.5 = 29/2
230% = 230/100 = 23/10
220
2/30 = 1/15
225
Yes, 220 volts is in the same voltage classification as 230 volts.
Expressed as a top-heavy fraction in its simplest form, by dividing the numerator and denominator by 10, 230/210 = 23/21.
Start by dividing by 2 giving 86/115. These numbers have no common factor (2 x 43 and 5 x 23) so that's your simplest fraction.
No, if it says 230-240 .. 230 is the minimum..