I think that you meant factors, not fractions.
If you meant factors, then it would be 7 and 3.
If you did mean fractions, then it would be 0/21 and 210/21.
-1
Add one to a nine?
5
just add a zero
no
a number system based on ten, fractions and whole numbers, geometry to measure land, and the calendar.
with some Styrofoam balls glue them together and add ten protons/electron and ten neutrons
numerators
That's an infinite list.
.333333
20
It is: 10