__Fractions:__

Part of a whole.In a fraction, the denominator tells us how many parts the whole is divided into, and the numerator tells us how many of those parts we're dealing with. Example: 3/4. Here 3 is a numerator and 4 is the denominator.

** Proper fraction:** Numerator is less than the denominator.

** Improper fraction:** Numerator is greater than or equal to denominator.

** Equivalent fractions:** Fractions that represent the same number.

** Reciprocal:** The multiplicative inverse of a number. For a fraction, it's obtained by "turning the fraction over". This means, that a reciprocal is obtained by making the reversing the values of numerator and denominator.