Answer:
1/4
Explanation:
To be able to add/subtract fractions the denominators must be the same :
1/3 = 4/12
Subtract the numerators and keep the denominator the same :
7/12 - 4/12 = 3/12
Simplify by cancelling :
3/12 = 1/4
Our final answer is 1/4
Hope this helped and have a good day