Solutions by everydaycalculation.com

1^{st} number: 3/70, 2^{nd} number: 1 23/40

370 - 6340 is -429280.

- 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,

370 = 3 × 470 × 4 = 12280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,

6340 = 63 × 740 × 7 = 441280 - Subtract the two like fractions:

12280 - 441280 = 12 - 441280 = -429280

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