If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Somma di Frazioni con Denominatore Comune
Help us caption and translate this video on Amara.org: http://www.amara.org/en/v/B2uJ/
Traduzione in Italiano del video
Adding Fractions with Like Denominators
Help us caption & translate this video!