Solutions by everydaycalculation.com

230 - 860 is -115.

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

LCM of 30 and 60 is**60**

Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,

230 = 2 × 230 × 2 = 460 - Likewise, for the 2nd fraction, since 60 × 1 = 60,

860 = 8 × 160 × 1 = 860 - Subtract the two like fractions:

460 - 860 = 4 - 860 = -460 - After reducing the fraction, the answer is -115

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