Solutions by everydaycalculation.com

1^{st} number: 2/3, 2^{nd} number: 1 3/4

23 - 74 is -1312.

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

LCM of 3 and 4 is**12**

Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,

23 = 2 × 43 × 4 = 812 - Likewise, for the 2nd fraction, since 4 × 3 = 12,

74 = 7 × 34 × 3 = 2112 - Subtract the two like fractions:

812 - 2112 = 8 - 2112 = -1312

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