Answers

Subtract 90/24 from 10/20

1^st number: 10/20, 2^nd number: 3 18/24

10/20 - 90/24 is -13/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 20 × 6 = 120,
   10/20 = 10 × 6/20 × 6 = 60/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   90/24 = 90 × 5/24 × 5 = 450/120
4. Subtract the two like fractions:
   60/120 - 450/120 = 60 - 450/120 = -390/120
5. After reducing the fraction, the answer is -13/4

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