Numeratore e Denominatore di una Frazione

Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2ur/ Esercizi: http://www.khanacademy.org/exercise/recognizing_fractions_0.5 Traduzione in Italiano del video Numerator and Denominator of a Fraction http://www.youtube.com/watch?feature=player_embedded&v=3XOt1fjWKi8 http://www.khanacademy.org/math/arithmetic/fractions/v/numerator-and-denominator-of-a-fraction Help us caption & translate this video! http://amara.org/v/B2ur/