Answer:
1/4
Explanation:
2/3 - 5/12
first denominators must be equal to do math with them, find the lowest common denominator and change numerator according to changed denominator
8/12 - 5/12 = 3/12
for simplest form divide by number that fits both numerator and denominator, which in this case is 3
3/12 divided by 3/1
= 1/4