Answers

Subtract 25/18 from 30/49

1^st number: 30/49, 2^nd number: 1 7/18

30/49 - 25/18 is -685/882.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 18 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 49 × 18 = 882,
   30/49 = 30 × 18/49 × 18 = 540/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   25/18 = 25 × 49/18 × 49 = 1225/882
4. Subtract the two like fractions:
   540/882 - 1225/882 = 540 - 1225/882 = -685/882

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