Solutions by everydaycalculation.com

860 - 1570 is -17210.

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

LCM of 60 and 70 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,

860 = 8 × 760 × 7 = 56420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,

1570 = 15 × 670 × 6 = 90420 - Subtract the two like fractions:

56420 - 90420 = 56 - 90420 = -34420 - After reducing the fraction, the answer is -17210

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