Answers

Subtract 70/81 from 10/9

1^st number: 1 1/9, 2^nd number: 70/81

10/9 - 70/81 is 20/81.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   10/9 = 10 × 9/9 × 9 = 90/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   70/81 = 70 × 1/81 × 1 = 70/81
4. Subtract the two like fractions:
   90/81 - 70/81 = 90 - 70/81 = 20/81

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