Solutions by everydaycalculation.com

456 - 510 is -37.

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

LCM of 56 and 10 is**280** - For the 1st fraction, since 56 × 5 = 280,

456 = 4 × 556 × 5 = 20280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,

510 = 5 × 2810 × 28 = 140280 - Subtract the two fractions:

20280 - 140280 = 20 - 140280 = -120280 - After reducing the fraction, the answer is -37

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