The decimal 0.75 is equal to three over four as a fraction, or three-fourths. It can be converted by putting 0.75 over a denominator of one, and then multiplying both by 100. From there, the fraction of 75 over 100 can be reduced to three over four by dividing by their largest common factor of 25.
The number 1.5 written as a fraction is 1 1/2. It can also be represented by writing the fraction 3/2.
The most direct way of expressing 0.12 as a fraction is 12/100. However, most math teachers expect the fraction to be reduced to 3/25. There are, in fact, an infinite number of fractions that equal 0.12.
Any fraction with a one as the numerator and a number equal to or greater than three as the denominator will be less than 1/2. As a general rule, if the denominator is more than twice as large as the numerator, the fraction will be smaller than 1/2. For example, 2/9 is less than 1/2.
As a fraction, 1.25 can be written as 1 1 /4 or 5/4. The number 1 1/4 is called a mixed fraction and 5/4 is an improper fraction.
The integer 25 can be expressed as an infinite number of equivalent fractions of the form 25a/a, where a is any integer. For example, 25 can be expressed as the fractions 50/2 (a=2), 75/3 (a=3), or 250/10 (a=10).
As a standard fraction, 12.5 equals 25/2, or 25 halves. As a mixed fraction, it may be expressed as 12 1/2, or twelve and one-half.
The number 0.6 is equal to 3 over 5 as a fraction, or 3/5. Because the 6 in 0.6 is in the 10th column, it can be converted to 6 over 10 from inspection, and then reduced by dividing both the numerator and denominator by 2.
The simplest fraction that is equal to 0.3 is 3/10. Other fractions that are equal to 0.3 are 6/20, 9/30, 30/100 and any other fraction that can be reduced to 3/10.
The decimal 2.25 is equal to the fraction 9/4. The decimal first needs to be converted to the basic fraction 2 1/4 before being converted to an improper fraction.