MATH SOLVE

2 months ago

Q:
# 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

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6 3/4 (answer)

The remnant of the board is 6 3/4 feet long.

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)

The remnant of the board is 6 3/4 feet long.