Answer:
1/6 remains
Explanation:
1 - (1/4 + 1/3 + 1/6 + 1/12)
1 - (3/12 + 4/12 + 2/12 + 1/12) Rewrite the fractions with common denominators
1/4 x 3/3 = 3/12
1/3 x 4/4 = 4/12
1/6 x 2/2 = 2/12
1/12
1 - (10/12) Another name for 1 = 12/12
12/12 - 10/12 = 2/12
2/12 ÷ 2/2 = 1/6