Converting 39.78 to a Fraction
Step-by-step explanation of how to convert 39.78 to a fraction
Result
39.78 =
1989
50
Mixed number:
39
39
50
Step 1: Identify the number of decimal places
The decimal 39.78 has 2 decimal places.
Step 2: Multiply by the appropriate power of 10
Multiply by 102 = 100 to eliminate the decimal point.
39.78 × 100 = 3978
Step 3: Write as a fraction
39.78 =
3978
100
Step 4: Simplify the fraction
Find the greatest common divisor (GCD) of 3978 and 100.
GCD(3978, 100) = 2
Divide both the numerator and denominator by the GCD:
3978
100
=
3978 ÷ 2
100 ÷ 2
=
1989
50
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