What is 0.90 as a fraction?

0.90 as a fraction is 9/10.

Here’s the explanation:

To convert 0.90 into a fraction, follow these steps:

1. Write down the number as a fraction of one: 0.90 = 0.90/1
2. Multiply both the numerator and the denominator by 10 for every digit after the decimal point. Since 0.90 has two digits after the decimal point, multiply by 100: (0.90 × 100)/(1 × 100) = 90/100
3. Simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD). The GCD of 90 and 100 is 10: (90 ÷ 10)/(100 ÷ 10) = 9/10

So, 0.90 as a fraction is 9/10.