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Asiko
Asiko asked in Science & MathematicsMathematics · 8 years ago

Find the unknown number in fraction 7/8=?/15?

please help

Update:

IN SIMPLEST FRACTION FORM

6 Answers

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  • Felix Tubiera
    8 years ago
    Favorite Answer

    Ever heard of cross multiplication? See this as 7/8=x/15. Now using cross multiplication you can say 8x=105. Now divide 105/8 which =13.125, so x=13.125<--- your answer!!!!

  • ?
    Lv 4
    4 years ago

    Find The Unknown Number

    Source(s): https://shrinkurl.im/a7V4M
  • ?
    8 years ago

    cross multiply then divide

    7 x 15 = 105

    105/ 8 = 13.125

  • Anonymous
    8 years ago

    7/8=x/15

    Cross multiply:

    105=8x

    x=105/8

    x=13.125

    .....

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  • ?
    Lv 7
    8 years ago

    105/8

  • ?
    8 years ago

    13.125 is the answer (over the 15)

    Work (if you need it)

    15 / 8 = 1.875

    1.875 x 7= 13.125

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