Detailed calculations and explanations, below
A common ordinary fraction is made up of
two integer numbers and a fraction bar:
89,393,939,448/149,999,999,990
- The integer number above the bar is called numerator: 89,393,939,448
- The integer number below the bar is called denominator: 149,999,999,990
- 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 = 89,393,939,448 ÷ 149,999,999,990
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:
89,393,939,448 = 2 × 2 × 2 × 3 × 11 × 11 × 30,783,037 = 23 × 3 × 112 × 30,783,037
89,393,939,448 is a composite number.
149,999,999,990 = 2 × 5 × 23 × 67 × 9,733,939
149,999,999,990 is a composite number.
89,393,939,448/149,999,999,990 =
(89,393,939,448 ÷ 2) / (149,999,999,990 ÷ 2) =
44,696,969,724/74,999,999,995
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.
89,393,939,448/149,999,999,990 =
(23 × 3 × 112 × 30,783,037)/(2 × 5 × 23 × 67 × 9,733,939) =
((23 × 3 × 112 × 30,783,037) ÷ 2) / ((2 × 5 × 23 × 67 × 9,733,939) ÷ 2) =
(22 × 3 × 112 × 30,783,037)/(5 × 23 × 67 × 9,733,939) =
44,696,969,724/74,999,999,995
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
44,696,969,724/74,999,999,995 =
44,696,969,724 ÷ 74,999,999,995 =
0.59595959636 ≈
0.6