write each decimal as a fraction or mixed number in simplest form 0.78

0.78 = 78/100 = 39/50

To convert 0.78 to a fraction or mixed number in simplest form, follow these steps:

Step 1: Determine the denominator.

In this case, the decimal number has two decimal places (0.78), so the denominator will be 100 (10 raised to the power of 2, because there are two decimal places).

Step 2: Write the decimal as a fraction.

The decimal 0.78 can be written as 78/100.

Step 3: Simplify the fraction.

To simplify the fraction, divide both the numerator and denominator by their greatest common divisor (GCD), which in this case is 2.

78 divided by 2 is 39, and 100 divided by 2 is 50.

So, the simplified fraction is 39/50.

Therefore, 0.78 can be written as the fraction 39/50 in simplest form.