Answers

Subtract 81/8 from 50/72

1^st number: 50/72, 2^nd number: 10 1/8

50/72 - 81/8 is -679/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 8 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 72 × 1 = 72,
   50/72 = 50 × 1/72 × 1 = 50/72
3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
   81/8 = 81 × 9/8 × 9 = 729/72
4. Subtract the two like fractions:
   50/72 - 729/72 = 50 - 729/72 = -679/72

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