Answers

Subtract 16/21 from 8/56

8/56 - 16/21 is -13/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   8/56 = 8 × 3/56 × 3 = 24/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   16/21 = 16 × 8/21 × 8 = 128/168
4. Subtract the two like fractions:
   24/168 - 128/168 = 24 - 128/168 = -104/168
5. After reducing the fraction, the answer is -13/21

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