What is 8 over 21 in simplest form?

Answer 1

Since the prime factors of 21 are 3 x 7 and the prime factors of 8 are 2 x 2 x 2, 21/8 is already in simplest form. However, it may be preferable to express the number in mixed form, two and five eighths, or in decimal form, 2.625.

Answer 2

Since 8 and 21 share no common positive integer factors, the proper fraction 8/21 is already expressed in its simplest form.

Answer 3

8/21 is in its simplest form.

Answer 4

21/8 is in its simplest form.

Answer 5

2.625 or 2 and 5/8