Answers

Subtract 70/18 from 30/49

1^st number: 30/49, 2^nd number: 3 16/18

30/49 - 70/18 is -1445/441.

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,
   70/18 = 70 × 49/18 × 49 = 3430/882
4. Subtract the two like fractions:
   540/882 - 3430/882 = 540 - 3430/882 = -2890/882
5. After reducing the fraction, the answer is -1445/441

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