Answers

Subtract 40/54 from 63/45

1^st number: 1 18/45, 2^nd number: 40/54

63/45 - 40/54 is 89/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 45 × 6 = 270,
   63/45 = 63 × 6/45 × 6 = 378/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   40/54 = 40 × 5/54 × 5 = 200/270
4. Subtract the two like fractions:
   378/270 - 200/270 = 378 - 200/270 = 178/270
5. After reducing the fraction, the answer is 89/135

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