Solutions by everydaycalculation.com

3070 - 1530 is -114.

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

LCM of 70 and 30 is**210**

Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,

3070 = 30 × 370 × 3 = 90210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,

1530 = 15 × 730 × 7 = 105210 - Subtract the two like fractions:

90210 - 105210 = 90 - 105210 = -15210 - After reducing the fraction, the answer is -114

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