In this tutorial the instructor shows how to multiply fractions. He shows how to do these kind of problems by solving an example. He says that while multiplying fractions we directly multiply the numerators to obtain the new numerator and then we multiply the denominators to obtain at the new denominator. He further shows how to do this with an example and in the final step he also performs deductions to obtain the fraction in its simple from. This is a good tutorial to learn how to multiply fractions.
Have an iPhone? Check out all 200+ new features coming in iOS 13.