Answers

Subtract 40/49 from 30/18

1^st number: 1 12/18, 2^nd number: 40/49

30/18 - 40/49 is 125/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 49 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 18 × 49 = 882,
   30/18 = 30 × 49/18 × 49 = 1470/882
3. Likewise, for the 2nd fraction, since 49 × 18 = 882,
   40/49 = 40 × 18/49 × 18 = 720/882
4. Subtract the two like fractions:
   1470/882 - 720/882 = 1470 - 720/882 = 750/882
5. After reducing the fraction, the answer is 125/147

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