Solutions by everydaycalculation.com

56 - 39 is 12.

- Find the least common denominator or LCM of the two denominators:

LCM of 6 and 9 is**18**

Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,

56 = 5 × 36 × 3 = 1518 - Likewise, for the 2nd fraction, since 9 × 2 = 18,

39 = 3 × 29 × 2 = 618 - Subtract the two like fractions:

1518 - 618 = 15 - 618 = 918 - After reducing the fraction, the answer is 12

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