How many 3/8 foot pieces of wood can you cut from a board that is 1 7/8 feet long?
To find the number of pieces divide 1 7/8 by 3/8
Change 1 7/8 to an improper fraction
to solve this complex fraction remove the bottom fraction by multiplying both the top and bottom fractions by the inverse of the bottom fraction.
Multiplying by the inverse results in a product of 1 so the result is
Dividing out common factors leaves