Answers

Subtract 70/28 from 63/45

1^st number: 1 18/45, 2^nd number: 2 14/28

63/45 - 70/28 is -11/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   63/45 = 63 × 28/45 × 28 = 1764/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   70/28 = 70 × 45/28 × 45 = 3150/1260
4. Subtract the two like fractions:
   1764/1260 - 3150/1260 = 1764 - 3150/1260 = -1386/1260
5. After reducing the fraction, the answer is -11/10

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