Answers

Subtract 81/56 from 10/72

1^st number: 10/72, 2^nd number: 1 25/56

10/72 - 81/56 is -659/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   10/72 = 10 × 7/72 × 7 = 70/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   81/56 = 81 × 9/56 × 9 = 729/504
4. Subtract the two like fractions:
   70/504 - 729/504 = 70 - 729/504 = -659/504

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