Answers

Subtract 21/16 from 63/56

1^st number: 1 7/56, 2^nd number: 1 5/16

63/56 - 21/16 is -3/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 16 is 112
   
   Next, find the equivalent fraction of both fractional numbers with denominator 112
2. For the 1st fraction, since 56 × 2 = 112,
   63/56 = 63 × 2/56 × 2 = 126/112
3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
   21/16 = 21 × 7/16 × 7 = 147/112
4. Subtract the two like fractions:
   126/112 - 147/112 = 126 - 147/112 = -21/112
5. After reducing the fraction, the answer is -3/16

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