Solutions by everydaycalculation.com

1^{st} number: 3 0/7, 2^{nd} number: 6/81

217 - 681 is 7927.

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

LCM of 7 and 81 is**567**

Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,

217 = 21 × 817 × 81 = 1701567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,

681 = 6 × 781 × 7 = 42567 - Subtract the two like fractions:

1701567 - 42567 = 1701 - 42567 = 1659567 - After reducing the fraction, the answer is 7927
- In mixed form: 22527

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