By finding the GCF of the numerator and the denominator. If the GCF is 1, the fraction is in its simplest form. 15/40 = 3/8
-3
No 33 over 54 is not in simplest form. Simplest form is 11 over 18
It's not simplest form, simplest form would be 13 over 40
21/80 is already in its simplest form
it is 3 over 40 in simplest form
7 over 8 is in simplest form.
11 over 100 is in simplest form.
9 over 64 is in simplest form.
4 over 5 is in simplest form.
5 over 9 is the simplest form.
19 over 1000 is the simplest form
Nineteen over 29 is the simplest form.