Answers

Subtract 40/20 from 24/18

1^st number: 1 6/18, 2^nd number: 2 0/20

24/18 - 40/20 is -2/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   24/18 = 24 × 10/18 × 10 = 240/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   40/20 = 40 × 9/20 × 9 = 360/180
4. Subtract the two like fractions:
   240/180 - 360/180 = 240 - 360/180 = -120/180
5. After reducing the fraction, the answer is -2/3

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