Answers

Subtract 40/9 from 10/20

1^st number: 10/20, 2^nd number: 4 4/9

10/20 - 40/9 is -71/18.

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,
   40/9 = 40 × 20/9 × 20 = 800/180
4. Subtract the two like fractions:
   90/180 - 800/180 = 90 - 800/180 = -710/180
5. After reducing the fraction, the answer is -71/18

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