What is 9/6 of 65?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 9/6 of 65? We'll show you a straightforward method to achieve that.
How to calculate 9/6 of 65?
- Multiply the whole number by the numerator of the fraction: 65 × 9 = 585
- Divide this result by denominator of the fraction: 585/6 = 97.5
- Simplify by dividing both the numerator and denominator by their GCD (3):
- 585/3 = 195
- 6/3 = 2
- Which gives: 195/2
Since 195/2 is an improper fraction, the result could also be expressed as a mixed number: 97 1/2
How does it work?
The principle behind finding a fraction of a number, such as 9/6 of 65, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 9/6 of 65)
- 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, 9/6 of 65 is equal to 195/2 (or 97.5 in its decimal form).