A carpenter cut a board 3 3/4 feet long to make a shelf. Before he cut the board, it was 10 1/2 feet long.How long is the remaining piece of the board?Enter your answer, as a mixed number in simplest form
Accepted Solution
A:
Subtract 3 3/4 from 10 1/2. Note that the LCD is 4, so 10 1/2 = 10 2/4.
What is 10 2/4 - 3 3/4 ------------------------- ?
Since 2/4 is smaller than 3/4, you must borrow 1 from that 10.
Now your problem looks like 9 6/4 -3 3/4 ---------- 6 3/4 (answer)