Answers

Subtract 45/10 from 63/28

1^st number: 2 7/28, 2^nd number: 4 5/10

63/28 - 45/10 is -9/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 10 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   63/28 = 63 × 5/28 × 5 = 315/140
3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
   45/10 = 45 × 14/10 × 14 = 630/140
4. Subtract the two like fractions:
   315/140 - 630/140 = 315 - 630/140 = -315/140
5. After reducing the fraction, the answer is -9/4

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