What is 6/7 of 76?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 6/7 of 76? We'll show you a straightforward method to achieve that.
How to calculate 6/7 of 76?
- Multiply the whole number by the numerator of the fraction: 76 × 6 = 456
- Divide this result by denominator of the fraction: 456/7 = 65.142857142857
Since 456/7 is an improper fraction, the result could also be expressed as a mixed number: 65 1/7
How does it work?
The principle behind finding a fraction of a number, such as 6/7 of 76, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 6/7 of 76)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 7 to isolate x:
- Which gives the result:
Thus, 6/7 of 76 is equal to 456/7 (or 65.142857142857 in its decimal form).