Solutions by everydaycalculation.com

1^{st} number: 2/3, 2^{nd} number: 2 10/40

23 - 9040 is -1912.

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

LCM of 3 and 40 is**120**

Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,

23 = 2 × 403 × 40 = 80120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,

9040 = 90 × 340 × 3 = 270120 - Subtract the two like fractions:

80120 - 270120 = 80 - 270120 = -190120 - After reducing the fraction, the answer is -1912

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