Step 1: Identify the number of decimal places

The decimal 0.766459 has 6 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 10⁶ = 1000000 to eliminate the decimal point.

0.766459 × 1000000 = 766459

Step 3: Write as a fraction

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 766459 and 1000000.

GCD(766459, 1000000) = 1

Divide both the numerator and denominator by the GCD: