Solutions by everydaycalculation.com

1^{st} number: 1 10/20, 2^{nd} number: 2 10/40

3020 - 9040 is -34.

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

LCM of 20 and 40 is**40**

Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,

3020 = 30 × 220 × 2 = 6040 - Likewise, for the 2nd fraction, since 40 × 1 = 40,

9040 = 90 × 140 × 1 = 9040 - Subtract the two like fractions:

6040 - 9040 = 60 - 9040 = -3040 - After reducing the fraction, the answer is -34

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