Adding Two Fractions

Simple video of Adding Two Fractions with Different Denominators. From Sydenham High School Mathematics Department !express# !metadata#!version#v1.0.r291!/version#!format#1.001!/format#!totalTime#48887!/to­talTime#!width#400!/width#!height#300!/height#!maxSceneSize#0!/maxSceneSize#!cli­entPublishTime#Fri Nov 9 22:57:42 GMT 0000 2007!/clientPublishTime# !/metadata# !scenes#!scene/# !/scenes# !asset path="finished/9CE6DAD096188614-E80868347BE19252.flv" type="VideoContent" desc=""#!stamp time="0"# !mute#false!/mute# !height#300!/height# !display#true!/display# !position#0!/position# !width#400!/width# !volume#0.75!/volume#!/stamp#!stamp time="48887"# !display#false!/display#!/stamp# !/asset#!/express#

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• Fractions
• Adding
• Math
• Maths
• Sydenham

[DJKEITH14]

adam. u should cross multiply to get 21...7 and 3

[adam765432]

i got it now

[adam765432]

can u explain to me plz how u got 21?