Answers

Subtract 8/98 from 3/70

3/70 - 8/98 is -19/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 70 × 7 = 490,
   3/70 = 3 × 7/70 × 7 = 21/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   8/98 = 8 × 5/98 × 5 = 40/490
4. Subtract the two like fractions:
   21/490 - 40/490 = 21 - 40/490 = -19/490

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