Answers

Subtract 2/81 from 84/7

1^st number: 12 0/7, 2^nd number: 2/81

84/7 - 2/81 is 970/81.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 7 × 81 = 567,
   84/7 = 84 × 81/7 × 81 = 6804/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   2/81 = 2 × 7/81 × 7 = 14/567
4. Subtract the two like fractions:
   6804/567 - 14/567 = 6804 - 14/567 = 6790/567
5. After reducing the fraction, the answer is 970/81
6. In mixed form: 1179/81

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