The same way you simplify any fraction:
1) Look for common factors between the two numbers.
2) If you find one, divide both numbers by that factor.
yes you can simplify 63
28/63 = 4/9 in its simplest form
yes it would be 1 over 4
cause 4/7 = 36/63 and 28/63
Dividing the numerator and denominator by 9 gives 7/9 or seven ninths.
You can divide 24/63 by 3 so it would simplify to 8/21.
492/63 simplifies to 164/21
4/3
yes you can simplify 63
No.
Yes, to 8/21
Simplified - it is 5/21
28/63 = 4/9.
28/63 = 4/9 28/7=4 63/7=9
Yes.
28/63 = 4/9 in its simplest form
28/63=4/9