In this video, you will learn how to add mixed fractions with different denominators. By converting the mixed fractions into improper fractions, finding the least common multiple of the denominators, and simplifying the answer through...

This video provides a lesson on how to combine metric units of measurement using a measuring tool and a chart. It explains the commonly used units in metric length and emphasizes the importance of getting an exact measurement for certain...

Newfoundland and Labrador has punched above its weight in softball for decades, and this summer marks a special milestone. It’s been 50 years since a team from Placentia Bay claimed the first Canadian softball junior title for the...

Nitrogen is the seventh element, and has seven protons (red) in its nucleus, along with seven neutrons (blue). Nitrogen has seven electrons, and each of its orbitals can hold a maximum of two. Orbitals are filled from the lowest energy...

Diagram of an atom of the element nitrogen, showing the central nucleus surrounded by its electron orbitals. Nitrogen is the seventh element, and has seven protons (red) in its nucleus, along with seven neutrons (blue). Nitrogen has...

Torchlight procession for earthquake victims in L'Aquila

Torchlight procession for earthquake victims in L'Aquila

Torchlight procession for earthquake victims in L'Aquila

Mid Shot, artworks featuring in the seventh annual Macmillan De’Longhi Art Exhibition are hung in the Royal College of Arts on September 18, 2013 in London, England. A collection of contemporary artworks by some of Britain's leading...

Long Shot, artworks featuring in the seventh annual Macmillan De’Longhi Art Exhibition are hung in the Royal College of Arts on September 18, 2013 in London, England. A collection of contemporary artworks by some of Britain's leading...

Long Shot, artworks featuring in the seventh annual Macmillan De’Longhi Art Exhibition are hung in the Royal College of Arts on September 18, 2013 in London, England. A collection of contemporary artworks by some of Britain's leading...

Torchlight procession for earthquake victims in L'Aquila

Torchlight procession for earthquake victims in L'Aquila

Joe Jonas at the Black Eyed Peas' Seventh Annual Peapod Benefit Concert at the Celebrity Sightings in Los Angeles at Los Angeles CA. (Footage by WireImage Video/GettyImages)

CLEAN : Election in Catalonia images

Mid Shot, artworks featuring in the seventh annual Macmillan De’Longhi Art Exhibition are hung in the Royal College of Arts on September 18, 2013 in London, England. A collection of contemporary artworks by some of Britain's leading...

Dogs bit 47 U.S. Postal Service carriers in metro Denver last year, making the city seventh in the nation for dog attacks on postal employees.

Atmosphere at the Seventh Annual Los Angeles Avon Walk for Breast Cancer at Long Beach CA. (Footage by WireImage Video/GettyImages)

Atmosphere at the Seventh Annual Los Angeles Avon Walk for Breast Cancer at Long Beach CA. (Footage by WireImage Video/GettyImages)

Atmosphere at the Seventh Annual Los Angeles Avon Walk for Breast Cancer at Long Beach CA. (Footage by WireImage Video/GettyImages)

Atmosphere at the Seventh Annual Los Angeles Avon Walk for Breast Cancer at Long Beach CA. (Footage by WireImage Video/GettyImages)

EVENT CAPSULE REPORTER/CHYRON: Seventh Annual Los Angeles Avon Walk for Breast Cancer, Long Beach, CA, United States, 09/13/09 (Footage by WireImage Video/GettyImages)

EVENT CLEAN: Seventh Annual Los Angeles Avon Walk for Breast Cancer, Long Beach, CA, United States, 09/13/09 (Footage by WireImage Video/GettyImages)

Patrick Dempsey at the Seventh Annual Los Angeles Avon Walk for Breast Cancer at Long Beach CA. (Footage by WireImage Video/GettyImages)