What is 6/3 of 84?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 6/3 of 84? We'll show you a straightforward method to achieve that.
How to calculate 6/3 of 84?
- Multiply the whole number by the numerator of the fraction: 84 × 6 = 504
- Divide this result by denominator of the fraction: 504/3 = 168
- Simplify by dividing both the numerator and denominator by their GCD (3):
- 504/3 = 168
- 3/3 = 1
- Which gives: 168/1
How does it work?
The principle behind finding a fraction of a number, such as 6/3 of 84, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 6/3 of 84)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 3 to isolate x:
- Which gives the result: (or )
Thus, 6/3 of 84 is equal to 168/1 (or 168 in its decimal form).