Answers

Subtract 50/9 from 10/20

1^st number: 10/20, 2^nd number: 5 5/9

10/20 - 50/9 is -91/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 9 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   10/20 = 10 × 9/20 × 9 = 90/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   50/9 = 50 × 20/9 × 20 = 1000/180
4. Subtract the two like fractions:
   90/180 - 1000/180 = 90 - 1000/180 = -910/180
5. After reducing the fraction, the answer is -91/18

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