Solutions by everydaycalculation.com

1428 - 1527 is -118.

- 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,

1428 = 14 × 2728 × 27 = 378756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,

1527 = 15 × 2827 × 28 = 420756 - Subtract the two like fractions:

378756 - 420756 = 378 - 420756 = -42756 - After reducing the fraction, the answer is -118

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