21/8 as a Mixed Number

21/8 as a mixed number is 2 5/8.

How to convert 21/8 to a mixed number

  1. Divide the numerator by the denominator: 21 ÷ 8 = 2 with a remainder of 5.
  2. The quotient 2 is the whole number.
  3. The remainder 5 becomes the new numerator, and the denominator stays 8: 2 5/8.
  4. 5/8 is already in lowest terms, so the answer is 2 5/8.

Check: convert 2 5/8 back to an improper fraction

Multiply the whole number by the denominator and add the numerator: 2 × 8 + 5 = 21, so 2 5/8 = 21/8.

As a decimal, 21/8 = 2.625.

Similar improper fractions

Improper fractionMixed number
17/82 1/8
18/82 1/4
19/82 3/8
20/82 1/2
22/82 3/4
23/82 7/8
25/83 1/8
26/83 1/4

See also: GCF and LCM of 8 and 21.

Another fraction? Use the fraction calculator or browse all improper fractions to mixed numbers.