Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
148,989,898,995/250,000,000,000
- The integer number above the bar is called numerator: 148,989,898,995
- The integer number below the bar is called denominator: 250,000,000,000
- 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 = 148,989,898,995 ÷ 250,000,000,000
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:
148,989,898,995 = 3 × 5 × 7 × 2,659 × 533,641
148,989,898,995 is a composite number.
Written with exponents:
250,000,000,000 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 × 5 = 210 × 512
250,000,000,000 is a composite number.
148,989,898,995/250,000,000,000 =
(148,989,898,995 ÷ 5) / (250,000,000,000 ÷ 5) =
29,797,979,799/50,000,000,000
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.
148,989,898,995/250,000,000,000 =
(3 × 5 × 7 × 2,659 × 533,641)/(210 × 512) =
((3 × 5 × 7 × 2,659 × 533,641) ÷ 5) / ((210 × 512) ÷ 5) =
(3 × 7 × 2,659 × 533,641)/(210 × 511) =
29,797,979,799/50,000,000,000
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
29,797,979,799/50,000,000,000 =
29,797,979,799 ÷ 50,000,000,000 =
0.59595959598 ≈
0.6