For adding and subtracting fractions?

. When you say 2.8 out loud, you hear: « 2 and 8 tenths ». This can also be written as a mixed number of 2 8/10.

What is the common denominator of denominators 7 and 3?

Answer: LCM for 3 and 7 is twenty one.

What is a denominator example?

An example of a denominator is « 2 » in fraction « ½ ». » …a number below or to the right of a row in a fraction, indicating the number of equal parts a whole is divided into. For example, in fraction2 /7, 7 is the denominator.

What is the common denominator of 3 and 4?

Answer: LCM for 3 and 4 is 12.