Answers

Subtract 63/40 from 8/18

1^st number: 8/18, 2^nd number: 1 23/40

8/18 - 63/40 is -407/360.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 18 × 20 = 360,
   8/18 = 8 × 20/18 × 20 = 160/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   63/40 = 63 × 9/40 × 9 = 567/360
4. Subtract the two like fractions:
   160/360 - 567/360 = 160 - 567/360 = -407/360

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