Lösung 1.2:1a

Aus Online Mathematik Brückenkurs 1

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So that fractions can be added together, they need first to be rewritten so that they have the same
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In order for fractions to be added together, they need first to be rewritten so that they have the same denominator, and we do this by multiplying the numerator and denominator of each fraction by the denominator of the other fraction. So,
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denominator, and we do this by multiplying the numerator and denominator of each fraction by the denominator of the other fraction. So,
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{{Displayed math||<math>\frac{7\cdot 7}{4\cdot 7}+\frac{11\cdot 4}{7\cdot 4}=\frac{49}{28}+\frac{44}{28}\,</math>.}}
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<math>\frac{7\centerdot 7}{4\centerdot 7}+\frac{11\centerdot 4}{7\centerdot 4}=\frac{49}{28}+\frac{44}{28}</math>
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Now, the numerators can be added together,
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{{Displayed math||<math>\frac{49}{28}+\frac{44}{28}=\frac{49+44}{28}=\frac{93}{28}\,</math>.}}
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Now, the numerators can be added together:
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<math>\frac{49}{28}+\frac{44}{28}=\frac{49+44}{28}=\frac{93}{28}</math>
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Version vom 07:30, 19. Sep. 2008

In order for fractions to be added together, they need first to be rewritten so that they have the same denominator, and we do this by multiplying the numerator and denominator of each fraction by the denominator of the other fraction. So,

Vorlage:Displayed math

Now, the numerators can be added together,

Vorlage:Displayed math

Von „http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/L%C3%B6sung_1.2:1a“