Answer:
3 3/20
Step-by-step explanation:
so you make the denominator the same for the two numbers shown. I did 20. So 3/5 turns into 12/20 and 1/4 turns into 5/20 (you can do 12 if you like for the denominator also) So now, the equation is 3 12/20 minus 5/20, which i got 3 3/20.
