Answers

Subtract 30/20 from 40/49

1^st number: 40/49, 2^nd number: 1 10/20

40/49 - 30/20 is -67/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 49 × 20 = 980,
   40/49 = 40 × 20/49 × 20 = 800/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   30/20 = 30 × 49/20 × 49 = 1470/980
4. Subtract the two like fractions:
   800/980 - 1470/980 = 800 - 1470/980 = -670/980
5. After reducing the fraction, the answer is -67/98

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