1. a person or thing that obstructs. 2. the act or an instance of obstructing. 3. (Parliamentary Procedure) delay of business, esp in a legislature by means of procedural devices. 4. (General Sporting Terms) sport the act of unfairly impeding an opposing player. 5. the state or condition of being obstructed.
Mixed number. A mixed number is a whole number plus a fraction. Here are a few mixed numbers: 1 1/2 1 1/3 2 1/2 2 2/5 1 4/5 You can convert a mixed number to an improper fraction by finding the number of unit fractions in the whole number and then adding the fractional part of the whole number. This sounds hard, but it really isn't.
Least Common Multiple. more ... The smallest positive number that is a multiple of two or more numbers. Example: the Least Common Multiple of 3 and 5 is 15, because 15 is a multiple of 3 and also a multiple of 5. Other common multiples include 30 and 45, etc, but they are not the smallest (least). (Also called Lowest Common Multiple).