how much string is left when 1 and 3/4 in are cut from a piece measuring 3 and 1 /6 inches

Answer:
1 5/12 inches.
Step-by-step explanation:
That is 3 1/6 - 1 3/4
= 19/6 - 7/4
The lowest common denominator of 4 and 6 is 12, so we have:
38/12 - 21/12
= 17 /12
= 1 5/12 inches (answer).