Answers

Subtract 7/8 from 15/49

15/49 - 7/8 is -223/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 8 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 49 × 8 = 392,
   15/49 = 15 × 8/49 × 8 = 120/392
3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
   7/8 = 7 × 49/8 × 49 = 343/392
4. Subtract the two like fractions:
   120/392 - 343/392 = 120 - 343/392 = -223/392

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