Answers

Subtract 90/14 from 81/16

1^st number: 5 1/16, 2^nd number: 6 6/14

81/16 - 90/14 is -153/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 14 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 16 × 7 = 112,
   81/16 = 81 × 7/16 × 7 = 567/112
3. Likewise, for the 2nd fraction, since 14 × 8 = 112,
   90/14 = 90 × 8/14 × 8 = 720/112
4. Subtract the two like fractions:
   567/112 - 720/112 = 567 - 720/112 = -153/112

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