-Three and seventeen four times two and fifteen two seven and seventeen four times fourteen and fifteen thirteen four times (- fourteen and fifteen thirteen) Come on, in a hurry!

-Three and seventeen four times two and fifteen two seven and seventeen four times fourteen and fifteen thirteen four times (- fourteen and fifteen thirteen) Come on, in a hurry!

=17 / 55x15 / 32 = 17x15 / 55x32 = 255 / 1760 = 51 / 352 & nbsp
=17/123x5/111=85/13653
How can there be a plus sign in the third line