15
Five fifteenths, or 5/15, plus six fifteenths, or 6/15, is equal to eleven fifteenths, or 11/15.
7 fifteenths = 7/15 = 0.466667
Eleven fifteenths minus ten fifteenths is equal to one fifteenth.
There are 375 fifteenths in 25.
15
9/15-10/15 = -1/15
3/15
Five fifteenths, or 5/15, plus six fifteenths, or 6/15, is equal to eleven fifteenths, or 11/15.
8/15, 8 fifteenths
7.5/15 = 1/2, so there are 7.5 fifteenths in one half.
375 of them because 375/15 = 25
7 fifteenths = 7/15 = 0.466667
Seven and one-half fifteenths (7.5 fifteenths). **************************************** A bit more explanation: 15 ÷ 2 = 7.5 (Note: a fifteenth is the same as cutting a pie into 15 slices. So simply divide the whole pie by 2.)
It is: 3/15 = 1/5
3/5 = 9/15
Eleven fifteenths minus ten fifteenths is equal to one fifteenth.