What is 2/9 of 20?

How to calculate 2/9 of 20?

1. Multiply the whole number by the numerator of the fraction: 20 × 2 = 40
2. Divide this result by denominator of the fraction: 40/9 = 4.4444444444444

Since 40/9 is an improper fraction, the result could also be expressed as a mixed number: 4 4/9

How does it work?

The principle behind finding a fraction of a number, such as 2/9 of 20, is rooted in the method of cross-multiplication.

Consider the following proportion: $\frac{2}{9}=\frac{x}{20}$ (where x represents 2/9 of 20)

1. Using the cross-multiplication method, multiply both numerators by their opposite denominators: $2\times 20=9x$
2. Which gives: $40=9x$
3. Divide both sides by 9 to isolate x: $\frac{40}{9}=\frac{9x}{9}$
4. Which gives the result: $\frac{40}{9}=x$

Thus, 2/9 of 20 is equal to 40/9 (or 4.4444444444444 in its decimal form).