What is 6/8 of 97?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 6/8 of 97? We'll show you a straightforward method to achieve that.
How to calculate 6/8 of 97?
- Multiply the whole number by the numerator of the fraction: 97 × 6 = 582
- Divide this result by denominator of the fraction: 582/8 = 72.75
- Simplify by dividing both the numerator and denominator by their GCD (2):
- 582/2 = 291
- 8/2 = 4
- Which gives: 291/4
Since 291/4 is an improper fraction, the result could also be expressed as a mixed number: 72 3/4
How does it work?
The principle behind finding a fraction of a number, such as 6/8 of 97, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 6/8 of 97)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 8 to isolate x:
- Which gives the result: (or )
Thus, 6/8 of 97 is equal to 291/4 (or 72.75 in its decimal form).