Answers

Subtract 21/60 from 12/56

12/56 - 21/60 is -19/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 60 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   12/56 = 12 × 15/56 × 15 = 180/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   21/60 = 21 × 14/60 × 14 = 294/840
4. Subtract the two like fractions:
   180/840 - 294/840 = 180 - 294/840 = -114/840
5. After reducing the fraction, the answer is -19/140

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