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    8/9 minus 2/7 as a fraction

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    8/9 - 2/7 as a fraction provides the detailed information about what is 8/9 minus 2/7 in fraction and decimal form, and the answer with steps to understand how it is being calculated by using different methods.

    8/9-2/7 equals to
    8/9 - 2/7 = (?)
    8/9 - 2/7 = [(8 x 7) - (2 x 9)]/(9 x 7)
    = (56 - 18)/63
    = 38/63
    8/9 - 2/7 = 38/63
    8/9 minus 2/7 is equal to 38/63

    where
    8/9 is a fraction as a minuend,
    2/7 is a fraction as a subtrahend,
    38/63 is the difference between 8/9 and 2/7.

    8/9 minus 2/7 as a decimal
    8/9 - 2/7 = 38/63
    38/63 = 0.6032
    8/9-2/7 as a decimal is 0.6032
    where
    0.6032 is the difference between 8/9 and 2/7.

    For values other than 8/9 minus 2/7, use this below tool:

    How-to: 8/9 - 2/7 = ?

    The below workout with step by step calculation shows how to find what is 8/9 minus 2/7 in simplest form by using the following methods:
    1. LCM method,
    2. Cross multiplication method.

    Problem and Workout - LCM Method:
    What is 8/9 minus 2/7 as a fraction?

    step 1 Observe the input parameters and what to be found:
    Input:
    Fraction A: 8/9
    Fraction B: 2/7

    What to be found?
    8/9-2/7 = ?
    Find what's the difference between 8/9 and 2/7.


    step 2 Compare the denominators of fractions 8/9 and 2/7 to identify whether it is a like or unlike fraction subtraction. Since the denominators of given fractions 8/9 and 2/7 are not equal, it is said to be unlike fractions subtraction.

    step 3For unlike fractions subtraction, find the LCM (least common multiple) of both denominators of fractions 8/9 and 2/7:
    The LCM of 9 and 7 is 63.


    step 4 Write the fractions 8/9 and 2/7 in the subtraction expression form and multiply LCM with all the numerators and denominators of both fractions.
    =8/9-2/7
    =(8 x 63)/(9 x 63)-(2 x 63)/(7 x 63)


    step 5 Simplify the expression to have common denominator:
    =56/63-18/63


    step 6 Take the common values out and rewrite the above expression like the below:
    =1/63 x (56/1-18/1)
    =1/63 x (56 - 18)


    step 7Simplify the above expression further:
    =1/63 x 38
    =38/63
    8/9-2/7=38/63

    Hence,
    8/9 minus 2/7 equals to 38/63 in fraction.



    Problem and Workout - Cross Multiplication Method
    step 1 Observe the input parameters and what to be found:
    Input:
    Fraction A: 8/9
    Fraction B: 2/7

    What to be found?
    8/9-2/7 = ?
    Find what's the difference between 8/9 and 2/7.

    step 2 Find the product of numerator of Fraction A and denominator of Fraction B (8 x 7), find the product of numerator of Fraction B and denominator of Fraction A (2 x 9), and find the product of both denominators of Fraction A and Fraction B (9 x 7) and rewrite the equation as like the below:
    = (8 x 7) - (2 x 9)/(9 x 7)

    step 3 Simplify and rewrite the fraction:
    = (56 - 18)/63
    8/9-2/7 = 38/63
    Hence,
    8/9 minus 2/7 = 38/63

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