If your blood pressure is 105 over 64, it would be considered normal.
15/64
It is: 105/64
It is: 64/210 = 32/105 in its simplest form
The greatest common factor of 64 and 105 is 1.
6720
170, 64, 105.
Yeah, you're well within normal blood pressure range for an adult or a kid. Average range is between 90-140 systolic and 60-90 diastolic. It's on the low end of the spectrum, but it's still good.
normal
Normal is a hard thing to define. If the "normal" height for a woman is 66 inches, is a woman of 64 inches abnormal? No, she's "essentially normal." While it's not a very descriptive phrase, essentially normal means that it's within the range of normal human anatomy/physiology.
THe range of a sitar is between 64 and 512
64
It is considered to be 'low normal'. If it goes any lower. See your doctor.