Solutions by everydaycalculation.com

1^{st} number: 1/2, 2^{nd} number: 2 0/4

12 - 84 is -32.

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

LCM of 2 and 4 is**4**

Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,

12 = 1 × 22 × 2 = 24 - Likewise, for the 2nd fraction, since 4 × 1 = 4,

84 = 8 × 14 × 1 = 84 - Subtract the two like fractions:

24 - 84 = 2 - 84 = -64 - After reducing the fraction, the answer is -32

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