The equality of complex numbers was explained in this lesson on complex numbers. The real part of a complex number and the imaginary part of a complex number were found using the equality of complex numbers. The maths skills that were required in solving the problem were the addition of complex numbers, the subtraction of complex numbers and the multiplication of complex numbers. The division of complex numbers was also explained. When dividing complex numbers, the numerator and denominator are multiplied by the complex conjugate of the denominator.