Question 1: Subtract the fractions representing parts of a pattern: 3/4 minus 1/6.

Answer: 7/12

Question 2: Calculate the difference: 5/8 - 1/3.

Answer: 7/24

Question 3: A mural uses 2/3 of a paint color in one section and 3/8 in another. Find the remaining fraction of the color used if the total is 1.

Answer: 1/24

Question 4: Subtract: 7/10 - 2/5.

Answer: 3/10

Question 5: In a pattern, a stripe is divided into parts: 5/6 are red, and 1/4 are blue. What part remains uncolored?

Answer: 1/12

Question 6: Calculate: 9/11 minus 2/3.

Answer: 11/33 or 1/3

Question 7: A pattern uses 4/5 of a color on one part and 2/3 on another. Find the total used if combined, then subtract from 1 to find remaining.

Answer: 7/15 used, remaining 8/15

Question 8: Subtract: 1/2 - 3/8.

Answer: 1/8

Question 9: A painter uses 3/4 of a bottle of paint for a mural and then uses 2/3 of another bottle for detailing. How much paint has been used in total?

Answer: 17/12 or 1 5/12 bottles

Question 10: Challenge: Subtract 11/15 - 2/9 and simplify the answer.

Answer: 23/45

Question 11: Evaluate the error: Students subtracted 2/3 from 3/4 and got 1/12. Identify and correct the mistake.

Answer: Incorrect subtraction; common denominator 12, 3/4 = 9/12, 2/3 = 8/12; difference = 1/12 is correct, but initial step was correct; clarify the process.