Answers

Subtract 81/16 from 70/84

1^st number: 70/84, 2^nd number: 5 1/16

70/84 - 81/16 is -203/48.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   70/84 = 70 × 4/84 × 4 = 280/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   81/16 = 81 × 21/16 × 21 = 1701/336
4. Subtract the two like fractions:
   280/336 - 1701/336 = 280 - 1701/336 = -1421/336
5. After reducing the fraction, the answer is -203/48

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