fractions and decimals

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please provide help with this

2 2/7 minus 1.75

please show workings

thanks

  • fractions and decimals -

    if you want an "exact" you will have to use only fractions

    2 2/7 minus 1.75
    = 16/7 - 7/4
    = 64/28 - 49/8
    = 15/28

  • fractions and decimals -

    Let's change the decimal to a fraction.

    1.75 = 1 3/4

    Next we need a common denominator -- which is 28.

    2 2/7 = 2 8/28
    1 3/4 = 1 21/28

    2 8/28 - 1 21/28 = 1 36/28 - 1 21/28 = 15/28

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