Solutions by everydaycalculation.com

1^{st} number: 3 6/8, 2^{nd} number: 18/70

308 - 1870 is 489140.

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

LCM of 8 and 70 is**280**

Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,

308 = 30 × 358 × 35 = 1050280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,

1870 = 18 × 470 × 4 = 72280 - Subtract the two like fractions:

1050280 - 72280 = 1050 - 72280 = 978280 - After reducing the fraction, the answer is 489140
- In mixed form: 369140

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