Converting 31.9 to a Fraction
Step-by-step explanation of how to convert 31.9 to a fraction

Result

31.9 =
319
10
Mixed number:
31
9
10

Step 1: Identify the number of decimal places

The decimal 31.9 has 1 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 101 = 10 to eliminate the decimal point.

31.9 × 10 = 319

Step 3: Write as a fraction

31.9 =

319
10

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 319 and 10.

GCD(319, 10) = 1

Divide both the numerator and denominator by the GCD:

319
10

=

319 ÷ 1
10 ÷ 1

=

319
10
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