Converting 42.3 to a Fraction
Step-by-step explanation of how to convert 42.3 to a fraction

Result

42.3 =
423
10
Mixed number:
42
3
10

Step 1: Identify the number of decimal places

The decimal 42.3 has 1 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 101 = 10 to eliminate the decimal point.

42.3 × 10 = 423

Step 3: Write as a fraction

42.3 =

423
10

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 423 and 10.

GCD(423, 10) = 1

Divide both the numerator and denominator by the GCD:

423
10

=

423 ÷ 1
10 ÷ 1

=

423
10
Related Conversions
Other decimal to fraction conversions you might find useful
Common Fraction Conversions
Popular decimal to fraction conversions