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.
21/5 is the simplest form.
8/21 is the simplest form.
21/100 is the simplest form.
13/21 is in its simplest form.
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.
21/5 is the simplest form.
21/80 is already in its simplest form
62/21 is in its simplest form.
21/4 is in its simplest form.
8/21 is the simplest form.
21/100 is the simplest form.
13/21 is in its simplest form.
2/21 is in its simplest form.2/21 is in its simplest form.
21/15 = (3 x 7)/(3 x 5) = 7/5
21/50 is in its simplest form.
x - 1 is in its simplest form.