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cordelia_earls

  • 4 years ago

i need help with 4/5*3/20?

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  1. TransendentialPI
    • 4 years ago
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    One way multiply the numbers on the top 4*3 = 12 multiply the numbers on the bottom 5*20 = 100 This gives 12/100 The greatest common factor or the biggest number we can divide 12 and 20 is 4 so 12 divided by 4 = 3 and 100 divided by 4 is 25 This fraction reduces to 4/25 Does that work for you?

  2. TransendentialPI
    • 4 years ago
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    I'm not sure where Luis got 2 1/5.

  3. TransendentialPI
    • 4 years ago
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    A slight fix. One way multiply the numbers on the top 4*3 = 12 multiply the numbers on the bottom 5*20 = 100 This gives 12/100 The greatest common factor or the biggest number we can divide 12 and 100 is 4 so 12 divided by 4 = 3 and 100 divided by 4 is 25 This fraction reduces to 4/25 Does that work for you?

  4. cordelia_earls
    • 4 years ago
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    my teacher ended up with 55/72 how did he get that

  5. Broken_Fixer
    • 4 years ago
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    your teacher was working a different problem. the answer of 12/100 reduces to 3/25, despite the efforts of Luis and Transend to inject typos.

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