Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
10,153,846,160/32,999,999,998
- The integer number above the bar is called numerator: 10,153,846,160
- The integer number below the bar is called denominator: 32,999,999,998
- The fraction bar means that the numerator is divided by the denominator.
- To get the fraction's value divide the numerator by the denominator:
The value = 10,153,846,160 ÷ 32,999,999,998
To reduce a fraction to the lowest terms equivalent: divide the numerator and denominator by their greatest common factor, GCF
To calculate the greatest common factor, GCF:
- 1. Factor the numerator and the denominator (into prime factors), build their prime factorizations.
- 2. Multiply all their common prime factors, taken by the lowest exponents.
1. Factor the numerator and the denominator:
To factor a number (into prime factors) - or, in other words, to break it down to prime factors - or, in other words, to build its prime factorization: find the prime numbers that multiply together to get that number.
The prime factorizations:
Written with exponents:
10,153,846,160 = 2 × 2 × 2 × 2 × 5 × 47 × 269 × 10,039 = 24 × 5 × 47 × 269 × 10,039
10,153,846,160 is a composite number.
32,999,999,998 = 2 × 7 × 277 × 8,509,541
32,999,999,998 is a composite number.
10,153,846,160/32,999,999,998 =
(10,153,846,160 ÷ 2) / (32,999,999,998 ÷ 2) =
5,076,923,080/16,499,999,999
Yet another method to reduce the fraction
To reduce a fraction without calculating the GCF: factor its numerator and denominator, then all the common prime factors are easily identified and crossed out.
10,153,846,160/32,999,999,998 =
(24 × 5 × 47 × 269 × 10,039)/(2 × 7 × 277 × 8,509,541) =
((24 × 5 × 47 × 269 × 10,039) ÷ 2) / ((2 × 7 × 277 × 8,509,541) ÷ 2) =
(23 × 5 × 47 × 269 × 10,039)/(7 × 277 × 8,509,541) =
5,076,923,080/16,499,999,999
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
5,076,923,080/16,499,999,999 =
5,076,923,080 ÷ 16,499,999,999 =
0.307692307897 ≈
0.31