Solutions by everydaycalculation.com

2030 - 4570 is 142.

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

LCM of 30 and 70 is**210**

Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,

2030 = 20 × 730 × 7 = 140210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,

4570 = 45 × 370 × 3 = 135210 - Subtract the two like fractions:

140210 - 135210 = 140 - 135210 = 5210 - After reducing the fraction, the answer is 142

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