Question

what is 9/2 -11/4

Answer 1

do you know how add and subtract fractions ?
have you heard about common denominator ?

Answer 2

@izzzyy

Answer 3

old question, answering to close

LCM of 2 and 4 is 4, so you can convert 9/2 to have a denominator 4 by multiplying both the numerator and denominator by 2. from there, subtract the numerators and put the difference over the denominator 4 to get the final fraction.