Answers

Subtract 63/56 from 21/60

1^st number: 21/60, 2^nd number: 1 7/56

21/60 - 63/56 is -31/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 60 × 14 = 840,
   21/60 = 21 × 14/60 × 14 = 294/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   63/56 = 63 × 15/56 × 15 = 945/840
4. Subtract the two like fractions:
   294/840 - 945/840 = 294 - 945/840 = -651/840
5. After reducing the fraction, the answer is -31/40

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