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

Video Solution

Solution Steps

00:03 Let's calculate seventy percent of ninety.

00:07 First, change seventy percent into a fraction.

00:12 So, seventy percent becomes seventy over one hundred.

00:17 Now, multiply this fraction by ninety.

00:29 Break it down into factors, and simplify if you can.

00:37 And there you have it. That's the solution!

Step-by-Step Solution

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

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.