What is 5/5 of 43?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 5/5 of 43? We'll show you a straightforward method to achieve that.
How to calculate 5/5 of 43?
- Multiply the whole number by the numerator of the fraction: 43 × 5 = 215
- Divide this result by denominator of the fraction: 215/5 = 43
- Simplify by dividing both the numerator and denominator by their GCD (5):
- 215/5 = 43
- 5/5 = 1
- Which gives: 43/1
How does it work?
The principle behind finding a fraction of a number, such as 5/5 of 43, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 5/5 of 43)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 5 to isolate x:
- Which gives the result: (or )
Thus, 5/5 of 43 is equal to 43/1 (or 43 in its decimal form).