Solutions by everydaycalculation.com

1^{st} number: 3 4/12, 2^{nd} number: 15/70

4012 - 1570 is 13142.

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

LCM of 12 and 70 is**420**

Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,

4012 = 40 × 3512 × 35 = 1400420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,

1570 = 15 × 670 × 6 = 90420 - Subtract the two like fractions:

1400420 - 90420 = 1400 - 90420 = 1310420 - After reducing the fraction, the answer is 13142
- In mixed form: 3542

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