| A | B |
| equivalent fractions | fractions that have different denominators but are the same amount |
| common denominator | Any number, except 0, that is a multiple of the denominators of two or more fractions |
| QCD | The product of the denominators of two or more fractions |
| simplest form | When a fraction is less than 1 and there is no number other than 1 that divides its numerator and denominator evenly |
| mixed number | A number that is written using both a whole number and a fraction |
| proper fraction | A fraction in which the numerator is less than the denominator; a proper fration names a number that is less than 1 |
| LCD | The smallest common multiple of the denominators of every fraction in a given collection |
| GCD | the largest common factor of two or more numbers |
| improper fraction | A fraction whose numerator is greater than or wqual to its denominator |
| percent % | per hundred or out of a hundred |
| common factor | A number that is a factor of two or more numbers |
| interest | It is an amount paid for the use of someone's money |
| discount | The amount by which the regular price of an item is reduced |