Solutions by everydaycalculation.com

1028 - 1027 is -5378.

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

LCM of 28 and 27 is**756**

Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,

1028 = 10 × 2728 × 27 = 270756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,

1027 = 10 × 2827 × 28 = 280756 - Subtract the two like fractions:

270756 - 280756 = 270 - 280756 = -10756 - After reducing the fraction, the answer is -5378

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