Answers

Subtract 40/27 from 63/45

1^st number: 1 18/45, 2^nd number: 1 13/27

63/45 - 40/27 is -11/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 27 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 45 × 3 = 135,
   63/45 = 63 × 3/45 × 3 = 189/135
3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
   40/27 = 40 × 5/27 × 5 = 200/135
4. Subtract the two like fractions:
   189/135 - 200/135 = 189 - 200/135 = -11/135

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