Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
283,333,333,347/400,000,000,017
- The integer number above the bar is called numerator: 283,333,333,347
- The integer number below the bar is called denominator: 400,000,000,017
- 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 = 283,333,333,347 ÷ 400,000,000,017
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:
283,333,333,347 = 3 × 3 × 3 × 3 × 29 × 73 × 337 × 4,903 = 34 × 29 × 73 × 337 × 4,903
283,333,333,347 is a composite number.
400,000,000,017 = 3 × 31 × 113 × 5,479 × 6,947
400,000,000,017 is a composite number.
283,333,333,347/400,000,000,017 =
(283,333,333,347 ÷ 3) / (400,000,000,017 ÷ 3) =
94,444,444,449/133,333,333,339
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.
283,333,333,347/400,000,000,017 =
(34 × 29 × 73 × 337 × 4,903)/(3 × 31 × 113 × 5,479 × 6,947) =
((34 × 29 × 73 × 337 × 4,903) ÷ 3) / ((3 × 31 × 113 × 5,479 × 6,947) ÷ 3) =
(33 × 29 × 73 × 337 × 4,903)/(31 × 113 × 5,479 × 6,947) =
94,444,444,449/133,333,333,339
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
94,444,444,449/133,333,333,339 =
94,444,444,449 ÷ 133,333,333,339 =
0.708333333337 ≈
0.71