here you go. I can explain if you want.
Firstly,you have to change the 1 1/4 to an improper fraction, by multiplying the denominator to the whole number then adding the answer to the numerator.
1×4+1 which equals to 5
so we now have 5/4
Secondly, we have to find a number that the denominators are both factors of. The answer to that is 12 because both four and six are factors of 12.
