Answers

Subtract 24/20 from 18/90

1^st number: 18/90, 2^nd number: 1 4/20

18/90 - 24/20 is -1/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   18/90 = 18 × 2/90 × 2 = 36/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   24/20 = 24 × 9/20 × 9 = 216/180
4. Subtract the two like fractions:
   36/180 - 216/180 = 36 - 216/180 = -180/180
5. After reducing the fraction, the answer is -1/1

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