Solutions by everydaycalculation.com

1^{st} number: 30/80, 2^{nd} number: 2 2/8

3080 - 188 is -158.

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

LCM of 80 and 8 is**80**

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

3080 = 30 × 180 × 1 = 3080 - Likewise, for the 2nd fraction, since 8 × 10 = 80,

188 = 18 × 108 × 10 = 18080 - Subtract the two like fractions:

3080 - 18080 = 30 - 18080 = -15080 - After reducing the fraction, the answer is -158

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