VOCABULARY • Fraction-a number that describes part of a whole or part of a set. • Numerator-top number of a fraction that tells how many parts of the whole or set you have.
VOCABULARY • Denominator- bottom number of a fraction that tells how many parts there are in the whole or set. • Proper fraction-little number on top(numerator); big number on bottom(denominator)
VOCABULARY • Improper fraction– a fraction with a value greater than or equal to 1. • Mixed number- a whole number and a fraction together.
numerator denominator 5 parts shaded 8 parts in the whole
PROPER FRACTIONS small large
IMPROPER FRACTIONS large small
MIXED NUMBERS fraction whole number
Improper Fractions & Mixed Numbers
To express amixed numberas animproper fraction,first multiply the whole number by thedenominator and add the numerator. Then write this sum over the denominator.
2 2x2+ 1 = = 2 2 2
To express animproper fractionas amixed number, divide the denominator into the numerator.
2 2 3 2 = 3 3 -6 2
Express the mixed number as an improper fraction. 3 x 5 + 1 = = 5
Express the mixed number as an improper fraction. 5 x 9 + 8 = = 9
Express the improper fraction as a mixed number. 6 = = -18 1
Express the improper fraction as a mixed number. 3 = = -18 5
Express the improper fraction as a whole number. 4 4 = = -32 0