20* 19= 380
So first thing you wanna do is set your problem up one on top of the other as shown 20/19. On the right side of my equation I have the same equation but in alphabets. You’re going to start by multiplying from the bottom right two left one by one. For example you are going to first multiply D*B, then D*A. After you’re finished move to the next number and muliply it by the top. (C*B, C*D)
You’re going to add the sums up to get Youre answer hopefully this helps :)
