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## KattGirl14 one year ago I need help on simplifying this fraction can someone help me please?

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1. KattGirl14

$\frac{ 3 }{ 7 } - \frac{ 4 }{ m }$

2. alffer1

you have to put them over a common denominator. Multiply each numerator by the opposite denominator.

3. KattGirl14

how would i do it with a variable though?

4. alffer1

pretend it's a nmber. 3*m = 3m

5. KattGirl14

Ohh okay, thank you

6. alffer1

welcome, you are.

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