Calculate 70% of 90: Step-by-Step Solution

To solve this problem, we'll follow these steps:

• Step 1: Convert the percentage to a fraction.
• Step 2: Multiply the fraction by the whole number.
• Step 3: Simplify the result to find the final answer.

Now, let's work through each step:

Step 1: Convert 70% to a fraction. 70% is equal to $\frac{70}{100}$, which simplifies further to $\frac{7}{10}$.

Step 2: Multiply the fraction by the whole number 90. We calculate:

$\frac{7}{10} \times 90 = \frac{7 \times 90}{10} = \frac{630}{10}$.

Step 3: Simplify $\frac{630}{10}$:

The numerator 630 divided by the denominator 10 gives us 63.

Therefore, the solution to the problem is 63.