Answers

Subtract 98/16 from 70/81

1^st number: 70/81, 2^nd number: 6 2/16

70/81 - 98/16 is -3409/648.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 16 is 1296
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1296
2. For the 1st fraction, since 81 × 16 = 1296,
   70/81 = 70 × 16/81 × 16 = 1120/1296
3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
   98/16 = 98 × 81/16 × 81 = 7938/1296
4. Subtract the two like fractions:
   1120/1296 - 7938/1296 = 1120 - 7938/1296 = -6818/1296
5. After reducing the fraction, the answer is -3409/648

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