280/80 as a decimal and mixed number expansion provides the detailed information about what is 280/80 in decimal and mixed number form, and the answer with steps help students to easily understand how it is being calculated.
280/80 as a Decimal
280/80 = 3.5
Hence,
280/80 as a decimal equals to 3.5
where,
280/80 is a given fraction,
The decimal expansion of 280/80 is 3.5
280/80 as a Mixed Number
280/80 = (240 + 40)/80
= 240/80 + 40/80
= 3 + 40/80
= 3 40/80
280/80 = 3 40/80
Hence,
280/80 as a mixed number is 3 40/80
where,
280/80 is a given fraction,
3 40/80 is the mixed number representation of 280/80.
The below work with steps provide the detailed information about how to convert fraction 280/80 as a decimal equivalent.
step 1 Address the input parameters and observe what to be found:
Input values:
The fraction = 280/80
What to be found:
Find the equivalent decimal expansion and mixed number for fraction 280/80.
step 2 The numerator is greater than the denominator of the fraction 280/80, so write the given fraction in the expression form in terms of denominator as like the below:
= 280/80
= 240 + 40/80
= (3 x 80) + 40/80
step 3 Make the above expression as individual fractions:
= (3 x 80)/80 + 40/80
step 4 Simplify the above expression:
= 3 x 80/80 + 40/80
= 3 + 40/80
= 3 + 1 x 40/2 x 40
= 3 + 1/2
3 + 1/2 can be written as a mixed number 3 1/2.
step 5 Find the decimal equivalent for the fractional part 1/2 in the above expression:
Multiply both numerator and denominator by 5 to make the denominator as powers of 10:
= 3 + (1/2 x 5/5)
= 3 + 5/10
step 6 Simplify the above expression further:
= 3 + 0.5
= 3.5
280/80 = 3.5
Hence,
280/80 as a decimal is 3.5
280/80 as a mixed number is 3 1/2