Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
16,666,666,786/30,000,000,096
- The integer number above the bar is called numerator: 16,666,666,786
- The integer number below the bar is called denominator: 30,000,000,096
- 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 = 16,666,666,786 ÷ 30,000,000,096
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:
16,666,666,786 = 2 × 7 × 11 × 43 × 2,516,863
16,666,666,786 is a composite number.
Written with exponents:
30,000,000,096 = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 17 × 557,041 = 25 × 32 × 11 × 17 × 557,041
30,000,000,096 is a composite number.
16,666,666,786/30,000,000,096 =
(16,666,666,786 ÷ 22) / (30,000,000,096 ÷ 22) =
757,575,763/1,363,636,368
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.
16,666,666,786/30,000,000,096 =
(2 × 7 × 11 × 43 × 2,516,863)/(25 × 32 × 11 × 17 × 557,041) =
((2 × 7 × 11 × 43 × 2,516,863) ÷ (2 × 11)) / ((25 × 32 × 11 × 17 × 557,041) ÷ (2 × 11)) =
(7 × 43 × 2,516,863)/(24 × 32 × 17 × 557,041) =
757,575,763/1,363,636,368
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
757,575,763/1,363,636,368 =
757,575,763 ÷ 1,363,636,368 =
0.555555557756 ≈
0.56