21mm as a Fraction

Professor Greenline Explaining Math Concepts

Numbers can be categorized into different types. Fraction is one of its kind. It is always represented in the form of p/q, where p is the numerator and q is the denominator. Fraction represents a whole and a fractional part. Measurements such as millimeters can also be expressed as fractions for simplicity. For example, 21mm can be expressed as a fraction of centimeters since there are 10 millimeters in a centimeter. We are going to learn how to convert 21mm into a fraction of centimeters.

21mm as a Fraction for US Students

What is 21mm as a Fraction?

$21mm as a fraction$

Answer

The answer for 21mm as a fraction is 21/10.

Explanation

Converting millimeters to a fraction of centimeters is straightforward. You can follow the steps mentioned below to find the answer.

Step 1: We know that 1 centimeter is equal to 10 millimeters. Therefore, to express millimeters as a fraction of centimeters, we need to divide the millimeter value by 10.

Step 2: Here, the number 21 is the millimeter value, so we divide 21 by 10 to convert it into centimeters. Thus, 21mm becomes 21/10 cm.

Step 3: The fraction 21/10 is already in its simplest form. Therefore, 21mm can be expressed as a fraction 21/10 cm.

Important Glossaries for 21mm as a Fraction

Fraction: A numerical quantity that is not a whole number, representing a part of a whole.
Millimeter: A metric unit of length equal to one-thousandth of a meter.
Centimeter: A metric unit of length equal to one-hundredth of a meter, or ten millimeters.
Numerator: The top part of a fraction, indicating how many parts of the whole are being considered.
Denominator: The bottom part of a fraction, showing how many parts make up a whole.