What is 5/7 of 53?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 5/7 of 53? We'll show you a straightforward method to achieve that.
How to calculate 5/7 of 53?
- Multiply the whole number by the numerator of the fraction: 53 × 5 = 265
- Divide this result by denominator of the fraction: 265/7 = 37.857142857143
Since 265/7 is an improper fraction, the result could also be expressed as a mixed number: 37 6/7
How does it work?
The principle behind finding a fraction of a number, such as 5/7 of 53, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 5/7 of 53)
- 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, 5/7 of 53 is equal to 265/7 (or 37.857142857143 in its decimal form).