What is 2/6 of 19?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 2/6 of 19? We'll show you a straightforward method to achieve that.
How to calculate 2/6 of 19?
- Multiply the whole number by the numerator of the fraction: 19 × 2 = 38
- Divide this result by denominator of the fraction: 38/6 = 6.3333333333333
- Simplify by dividing both the numerator and denominator by their GCD (2):
- 38/2 = 19
- 6/2 = 3
- Which gives: 19/3
Since 19/3 is an improper fraction, the result could also be expressed as a mixed number: 6 1/3
How does it work?
The principle behind finding a fraction of a number, such as 2/6 of 19, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 2/6 of 19)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 6 to isolate x:
- Which gives the result: (or )
Thus, 2/6 of 19 is equal to 19/3 (or 6.3333333333333 in its decimal form).