Answers

Subtract 8/49 from 3/70

3/70 - 8/49 is -59/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 49 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 49 × 10 = 490,
   8/49 = 8 × 10/49 × 10 = 80/490
4. Subtract the two like fractions:
   21/490 - 80/490 = 21 - 80/490 = -59/490

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