Answers

Subtract 81/8 from 50/84

1^st number: 50/84, 2^nd number: 10 1/8

50/84 - 81/8 is -1601/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   50/84 = 50 × 2/84 × 2 = 100/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   81/8 = 81 × 21/8 × 21 = 1701/168
4. Subtract the two like fractions:
   100/168 - 1701/168 = 100 - 1701/168 = -1601/168

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