Converting 1.21721 to a Fraction
Step-by-step explanation of how to convert 1.21721 to a fraction

Result

1.21721 =
121721
100000
Mixed number:
1
21721
100000

Step 1: Identify the number of decimal places

The decimal 1.21721 has 5 decimal places.

Step 2: Multiply by the appropriate power of 10

Multiply by 105 = 100000 to eliminate the decimal point.

1.21721 × 100000 = 121721

Step 3: Write as a fraction

1.21721 =

121721
100000

Step 4: Simplify the fraction

Find the greatest common divisor (GCD) of 121721 and 100000.

GCD(121721, 100000) = 1

Divide both the numerator and denominator by the GCD:

121721
100000

=

121721 ÷ 1
100000 ÷ 1

=

121721
100000
Related Conversions
Other decimal to fraction conversions you might find useful