What is 3/6 of 89?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 3/6 of 89? We'll show you a straightforward method to achieve that.
How to calculate 3/6 of 89?
- Multiply the whole number by the numerator of the fraction: 89 × 3 = 267
- Divide this result by denominator of the fraction: 267/6 = 44.5
- Simplify by dividing both the numerator and denominator by their GCD (3):
- 267/3 = 89
- 6/3 = 2
- Which gives: 89/2
Since 89/2 is an improper fraction, the result could also be expressed as a mixed number: 44 1/2
How does it work?
The principle behind finding a fraction of a number, such as 3/6 of 89, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 3/6 of 89)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 6 to isolate x:
- Which gives the result: (or )
Thus, 3/6 of 89 is equal to 89/2 (or 44.5 in its decimal form).