21/155 as a decimal expansion provides the detailed information about what is 21/155 in decimal form, and the answer with steps help students to easily understand how it is being calculated.
21/155 as a Decimal
21/155 = 0.1355
Hence,
21/155 as a decimal equals to 0.1355
where,
21/155 is a given fraction,
The decimal expansion of 21/155 is 0.1355
21/155 as a Mixed Number
The given fraction 21/155 can't be represented as a mixed number since the numerator 21 of the given fraction is smaller than the denominator 155.
The below work with steps provide the detailed information about how to convert fraction 21/155 as a decimal equivalent.
step 1 Address the input parameters and observe what to be found:
Input values:
The fraction = 21/155
What to be found:
Find the decimal expansion of fraction 21/155.
step 2 The numerator is smaller than the denominator of the fraction 21/155, so find how many 10s should be multiplied with both numerator and denominator. Since the denominator is having 1 more digits than the numerator, multiply 100 with both numerator and denominator of 21/155.
= 21/155 x 100/100
step 3 Rearrange the fraction as like the below:
= 100 x 21/155 x 1/100
= 2100/155 x 1/100
step 4 Simplify the above expression further:
= 2100/155 x 1/100
= 2015 + 85/155 x 1/100
= ( 2015/155 + 85/155) x 1/100
= (13 + 85/155 ) x 1/100
step 5 Repeat the step 2 to find the decimal equivalent for the fraction 85/155 in the above expression:
= (13 + 85/155 ) x 1/100
= (13 + 0.548) x 1/100
step 6 Simplify the above expression further:
= (13 + 0.548) x 1/100
= 13.548 x 1/100
= 13.548/100
21/155= 0.13548
Hence,
21/155 as a decimal is 0.13548