Solutions by everydaycalculation.com

228 - 1581 is -43378.

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

LCM of 28 and 81 is**2268**

Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,

228 = 2 × 8128 × 81 = 1622268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,

1581 = 15 × 2881 × 28 = 4202268 - Subtract the two like fractions:

1622268 - 4202268 = 162 - 4202268 = -2582268 - After reducing the fraction, the answer is -43378

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