3 ratios of 20/15???please help and hi if you go to sms
20/15 = 4/3 <---- simplest
multiply top and bottom by any non-zero number you want
e.g. by 7
20/15 = 4/3 = 4*7/(3*7) = 28/21
find a third using the same method
multiply top and bottom by any non-zero number you want
e.g. by 7
20/15 = 4/3 = 4*7/(3*7) = 28/21
find a third using the same method