What is 1/10 of 36?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 1/10 of 36? We'll show you a straightforward method to achieve that.
How to calculate 1/10 of 36?
- Multiply the whole number by the numerator of the fraction: 36 × 1 = 36
- Divide this result by denominator of the fraction: 36/10 = 3.6
- Simplify by dividing both the numerator and denominator by their GCD (2):
- 36/2 = 18
- 10/2 = 5
- Which gives: 18/5
Since 18/5 is an improper fraction, the result could also be expressed as a mixed number: 3 3/5
How does it work?
The principle behind finding a fraction of a number, such as 1/10 of 36, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 1/10 of 36)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 10 to isolate x:
- Which gives the result: (or )
Thus, 1/10 of 36 is equal to 18/5 (or 3.6 in its decimal form).