Answers

Subtract 20/5 from 49/18

1^st number: 2 13/18, 2^nd number: 4 0/5

49/18 - 20/5 is -23/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 5 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   49/18 = 49 × 5/18 × 5 = 245/90
3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
   20/5 = 20 × 18/5 × 18 = 360/90
4. Subtract the two like fractions:
   245/90 - 360/90 = 245 - 360/90 = -115/90
5. After reducing the fraction, the answer is -23/18

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