The answer to the third question is that the root of the chord is a Gb.
U just divide 70 and 45 and u get your answer
The question ask to convert the said fraction in to its simplest form, according the mathematical law of fraction, in converting the said fraction in to its simpler form, you must first get the Greatest Common Factor of the numerator and the denominator and base on that, the simplest form of it is -3/4. I hope this would help
