-1/(2*2) = -x7
-1/4 = -x7
-1/4 ÷ -7 = -x7/-7
-1/4 * -1/7 = x * dividing fractions, the 2nd fraction must be in its reciprocal form.
-1/28 = x -7 in fraction for is -7/1 and in reciprocal form is -1/7
* multiply the 1st fraction to the reciprocal of the 2nd fraction
x = -1/28 * simplify the fraction.