Answers

Subtract 64/45 from 63/28

1^st number: 2 7/28, 2^nd number: 1 19/45

63/28 - 64/45 is 149/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   63/28 = 63 × 45/28 × 45 = 2835/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   64/45 = 64 × 28/45 × 28 = 1792/1260
4. Subtract the two like fractions:
   2835/1260 - 1792/1260 = 2835 - 1792/1260 = 1043/1260
5. After reducing the fraction, the answer is 149/180

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