Answers

Subtract 90/7 from 9/56

1^st number: 9/56, 2^nd number: 12 6/7

9/56 - 90/7 is -711/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 7 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   9/56 = 9 × 1/56 × 1 = 9/56
3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
   90/7 = 90 × 8/7 × 8 = 720/56
4. Subtract the two like fractions:
   9/56 - 720/56 = 9 - 720/56 = -711/56

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