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27 April, 13:48

b - 3/4 = 1/5. How do you get the answer B. because of whatever the answer to be is - 3/4? It has to equal 1/5

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  1. 27 April, 13:49
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    b = 19/20

    Step-by-step explanation:

    This is a subtraction problem. So you reverse the problem so that it is addition.

    So now the problem should look like 1/5 + 3/4.

    To solve this, first get the lowest common denominator.

    None of the denominators will work so you have to find the least common multiple of the two numbers, 5 and 4, which is 20.

    Place the new denominator under the two fractions to make a new addition problem.

    1/5 + 3/4

    /20 + / 20 = / 20.

    Divide 20 by each denominator and multiply the quotient by the numerator.

    20/5 = 4 4*1 = 4

    20/4 = 5 5*3 = 15.

    Add the new numerators.

    4/20 + 15/20 = 19/20.

    So b = 19/20
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