21/2 as a Decimal and Mixed Number

21/2 as a decimal and mixed number expansion provides the detailed information about what is 21/2 in decimal and mixed number form, and the answer with steps help students to easily understand how it is being calculated.

21/2 as a Decimal Expansion
21/2 = 10.5
Hence,
21/2 as a decimal equals to 10.5
where,
21/2 is a given fraction,
The decimal expansion of 21/2 is 10.5

21/2 as a Mixed Number
21/2 = (20 + 1)/2
= 20/2 + 1/2
= 10 + 1/2
= 10 1/2
21/2 = 10 1/2

Hence,
21/2 as a mixed number is 10 ¹/₂
where,
21/2 is a given fraction,
10 ¹/₂ is the mixed number representation of 21/2.

The below work with steps provide the detailed information about how to convert fraction 21/2 as a decimal equivalent.
step 1 Address the input parameters and observe what to be found:
Input values:
The fraction = 21/2

What to be found:
Find the equivalent decimal expansion and mixed number for fraction 21/2.

step 2 Multiply both numerator and denominator by 5 to make the denominator as powers of 10:
= 21/2 x 5/5
= 105/10


step 3 The numerator 105 of fraction 105/10 can also be expressed as 105.00. Being 10 as the denominator, move the decimal point 1 decimal places from right to left in the numerator to write the fraction as decimal number.
= 105/10
= 10.5

Hence,
21/2 as a decimal is 10.5