What is 1/9 of 69?

How to calculate 1/9 of 69?

1. Multiply the whole number by the numerator of the fraction: 69 × 1 = 69
2. Divide this result by denominator of the fraction: 69/9 = 7.6666666666667
3. Simplify by dividing both the numerator and denominator by their GCD (3):
   • 69/3 = 23
   • 9/3 = 3
4. Which gives: 23/3

Since 23/3 is an improper fraction, the result could also be expressed as a mixed number: 7 2/3

How does it work?

The principle behind finding a fraction of a number, such as 1/9 of 69, is rooted in the method of cross-multiplication.

Consider the following proportion: $\frac{1}{9}=\frac{x}{69}$ (where x represents 1/9 of 69)

1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: $1\times 69=9x$
2. Which gives: $69=9x$
3. Divide both sides by 9 to isolate x: $\frac{69}{9}=\frac{9x}{9}$
4. Which gives the result: $\frac{69}{9}=x$ (or $\frac{23}{3}=x$)

Thus, 1/9 of 69 is equal to 23/3 (or 7.6666666666667 in its decimal form).