What Is 21 over 28 in Its Simplest Form?

It is difficult to reduce fractions to their simplest form without a calculator, but it is possible to do it by hand with some practice. In general, the easiest way to simplify a fraction is to divide the numerator and the denominator by their greatest common factor. However, this method does not always work and more difficult methods may be necessary. The fraction 21/28 can be simplified by dividing both the numerator and denominator by their greatest common factor of 7. This leaves the fraction 3/4, which is the simplest form of 21/28.

The simplest form of 21 over 28 is 21/28. In this form, the numerator (21) is reduced to its lowest possible form, and the denominator (28) is reduced to its lowest possible form. This form is also known as the lowest common denominator (LCD). The LCD is the least common multiple of the numerator and denominator. In this case, the LCD is 84. To get 21/28 in its simplest form, divide both the numerator and denominator by the LCD. This gives you the answer of 21/84.

There are a few steps in reducing fractions. In fractions with different denominators, you must first find a common denominator. The common denominator is the lowest number that both denominators will go into. In this case, the common denominator is 84. To get from 21/28 to the equivalent fraction with a common denominator of 84, you multiply the numerator and denominator of 21/28 by 3: 3*21/3*28=63/84. Now that the fractions have a common denominator, you can simply compare the numerators to see which fraction is larger. In this case, 21/28 is larger than 63/84.

Reducing a fraction to lowest terms means finding the smallest whole number by which you can divide both the numerator and denominator so that the resulting fraction is equal to the original fraction. Dividing both the numerator and denominator of a fraction by the same number will not change the value of the fraction. To reduce 21/28 to lowest terms, divide both the numerator and denominator by their greatest common factor, 7. The greatest common factor of 21 and 28 is 7. 21 divided by 7 is 3, and 28 divided by 7 is 4. Therefore, the lowest terms of 21/28 are 3/4.

It is simple to express fractions in lowest terms. In order to express a fraction in lowest terms, divide the numerator and the denominator by their greatest common factor. The greatest common factor of 21 and 28 is 7, so 21 divided by 7 is 3 and 28 divided by 7 is 4. The fraction 21 over 28 in lowest terms is 3 over 4.

The greatest common factor (GCF) of two numbers is the largest number that is a divisor of both numbers.

In this case, the GCF of 21 and 28 is 7.

To find the GCF of two numbers, you can use the prime factorization method. This involves breaking each number down into its prime factors, and then finding the largest number that is a factor of both numbers.

For 21, the prime factorization is 3 x 7. For 28, the prime factorization is 2 x 2 x 7. The largest number that is a factor of both 21 and 28 is 7.

There are other methods for finding the GCF of two numbers, but the prime factorization method is the most straightforward.

The LCM of 21 and 28 is 112.

To convert 21 over 28 to a mixed number, you need to first find the greatest common divisor (GCD) of 21 and 28. The GCD is 7. So, 21 over 28 can be written as 3 over 4.

3 over 4 can be written as a mixed number as 1 1/4.

There are a couple different ways that you could go about solving this problem. The most straight-forward way would be to use division. You would take 21 and divide it by 28. This would give you the answer of 0.75. However, if you are looking for a more precise answer, you could use a calculator to find the decimal answer of 21/28, which would be 0.750000. You could also use multiplication to solve this problem. You would take 21 and multiply it by 3/4. This would also give you the answer of 0.75.