Solutions by everydaycalculation.com

12 - 35 is -110.

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

LCM of 2 and 5 is**10**

Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,

12 = 1 × 52 × 5 = 510 - Likewise, for the 2nd fraction, since 5 × 2 = 10,

35 = 3 × 25 × 2 = 610 - Subtract the two like fractions:

510 - 610 = 5 - 610 = -110

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