Solutions by everydaycalculation.com

1^{st} number: 2 24/30, 2^{nd} number: 7/70

8430 - 770 is 2710.

- 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,

8430 = 84 × 730 × 7 = 588210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,

770 = 7 × 370 × 3 = 21210 - Subtract the two like fractions:

588210 - 21210 = 588 - 21210 = 567210 - After reducing the fraction, the answer is 2710
- In mixed form: 2710

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