Answers

Subtract 49/20 from 24/90

1^st number: 24/90, 2^nd number: 2 9/20

24/90 - 49/20 is -131/60.

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,
   24/90 = 24 × 2/90 × 2 = 48/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   49/20 = 49 × 9/20 × 9 = 441/180
4. Subtract the two like fractions:
   48/180 - 441/180 = 48 - 441/180 = -393/180
5. After reducing the fraction, the answer is -131/60

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