What is 8/9 of 38?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 8/9 of 38? We'll show you a straightforward method to achieve that.
How to calculate 8/9 of 38?
- Multiply the whole number by the numerator of the fraction: 38 × 8 = 304
- Divide this result by denominator of the fraction: 304/9 = 33.777777777778
Since 304/9 is an improper fraction, the result could also be expressed as a mixed number: 33 7/9
How does it work?
The principle behind finding a fraction of a number, such as 8/9 of 38, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 8/9 of 38)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 9 to isolate x:
- Which gives the result:
Thus, 8/9 of 38 is equal to 304/9 (or 33.777777777778 in its decimal form).