Answers

Subtract 21/40 from 63/56

1^st number: 1 7/56, 2^nd number: 21/40

63/56 - 21/40 is 3/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   21/40 = 21 × 7/40 × 7 = 147/280
4. Subtract the two like fractions:
   315/280 - 147/280 = 315 - 147/280 = 168/280
5. After reducing the fraction, the answer is 3/5

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