Problem Solving with Rational Numbers in Fraction Form
To find the original fraction you use the opposite operations from the question. For example, it says divide by - 1/4. Instead of dividing, you multiply.
The first step is to multiply -3 3/4 by -1/4
Turn -3 3/4 into an improper fraction.
Find a common denominator: 16
Subtract the fractions.
You should get 3/16
Third Step: Divide 3/16 by - 1/2
Find the reciprocal.
Simplify if possible.
The original fraction was -3/8.