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:
13,636,711 = 11 × 67 × 18,503
13,636,711 is a composite number.
60,000,182 = 2 × 11 × 1,453 × 1,877
60,000,182 is a composite number.
13,636,711/60,000,182 =
(13,636,711 ÷ 11) / (60,000,182 ÷ 11) =
1,239,701/5,454,562
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.
13,636,711/60,000,182 =
(11 × 67 × 18,503)/(2 × 11 × 1,453 × 1,877) =
((11 × 67 × 18,503) ÷ 11) / ((2 × 11 × 1,453 × 1,877) ÷ 11) =
(67 × 18,503)/(2 × 1,453 × 1,877) =
1,239,701/5,454,562
As a decimal number:
Simply divide the numerator by the denominator, without a remainder, as shown below:
1,239,701/5,454,562 =
1,239,701 ÷ 5,454,562 =
0.227277827257 ≈
0.23