Answers

Subtract 21/56 from 16/98

16/98 - 21/56 is -83/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 56 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 98 × 4 = 392,
   16/98 = 16 × 4/98 × 4 = 64/392
3. Likewise, for the 2nd fraction, since 56 × 7 = 392,
   21/56 = 21 × 7/56 × 7 = 147/392
4. Subtract the two like fractions:
   64/392 - 147/392 = 64 - 147/392 = -83/392

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