What is 2/6 of 27?
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 27? We'll show you a straightforward method to achieve that.
How to calculate 2/6 of 27?
- Multiply the whole number by the numerator of the fraction: 27 × 2 = 54
- Divide this result by denominator of the fraction: 54/6 = 9
- Simplify by dividing both the numerator and denominator by their GCD (6):
- 54/6 = 9
- 6/6 = 1
- Which gives: 9/1
How does it work?
The principle behind finding a fraction of a number, such as 2/6 of 27, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 2/6 of 27)
- 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 27 is equal to 9/1 (or 9 in its decimal form).