To 5/33
15 / 99 = 5 / 33
15/99 = 5/33
no
15 over 25 reduces to 3 over 5
22/99 Both numbers are products of '11'. So divide ( cancel down/reduce) by '11' Hence 22/99/ = 2/9 As a decimal it is '0.2222....' ( recurring to infinity). NB Remember from you '11' times tables. 2 x 11 = 22 9 x 11 = 99 et seq.,
It is 3 over 4.
Yes.
Yes.
No you can not. 15 and 41 do not have a common factor
15/99 = 5/33
age 15 and over can read and write total population 99%
60/99 or 20/33