Reduce to its lowest form: 14:21, means divide to its simplest form 2:3 divide by 7 12. Divide 28$ in my case to a ratio of 2:5 28/7 because 2+5 = 7 now split the 7ths into 2 7ths on one side, and 5 on the other 4(1/7) x 2 = 8 4 x 5 = 20 8:20 Can't see the last one so Hope this helped!
