Solutions by everydaycalculation.com

67 - 510 is 514.

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

LCM of 7 and 10 is**70**

Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,

67 = 6 × 107 × 10 = 6070 - Likewise, for the 2nd fraction, since 10 × 7 = 70,

510 = 5 × 710 × 7 = 3570 - Subtract the two like fractions:

6070 - 3570 = 60 - 3570 = 2570 - After reducing the fraction, the answer is 514

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