Solutions by everydaycalculation.com

3070 - 340 is 99280.

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

LCM of 70 and 40 is**280**

Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,

3070 = 30 × 470 × 4 = 120280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,

340 = 3 × 740 × 7 = 21280 - Subtract the two like fractions:

120280 - 21280 = 120 - 21280 = 99280

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