Solutions by everydaycalculation.com

1^{st} number: 1 10/20, 2^{nd} number: 3 6/16

3020 - 5416 is -158.

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

LCM of 20 and 16 is**80**

Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,

3020 = 30 × 420 × 4 = 12080 - Likewise, for the 2nd fraction, since 16 × 5 = 80,

5416 = 54 × 516 × 5 = 27080 - Subtract the two like fractions:

12080 - 27080 = 120 - 27080 = -15080 - After reducing the fraction, the answer is -158

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