Answers

Subtract 63/40 from 18/36

1^st number: 18/36, 2^nd number: 1 23/40

18/36 - 63/40 is -43/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   18/36 = 18 × 10/36 × 10 = 180/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   63/40 = 63 × 9/40 × 9 = 567/360
4. Subtract the two like fractions:
   180/360 - 567/360 = 180 - 567/360 = -387/360
5. After reducing the fraction, the answer is -43/40

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