What is 2/7 of 33?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 2/7 of 33? We'll show you a straightforward method to achieve that.
How to calculate 2/7 of 33?
- Multiply the whole number by the numerator of the fraction: 33 × 2 = 66
- Divide this result by denominator of the fraction: 66/7 = 9.4285714285714
Since 66/7 is an improper fraction, the result could also be expressed as a mixed number: 9 3/7
How does it work?
The principle behind finding a fraction of a number, such as 2/7 of 33, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 2/7 of 33)
- 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, 2/7 of 33 is equal to 66/7 (or 9.4285714285714 in its decimal form).