Answers

Subtract 63/70 from 50/98

50/98 - 63/70 is -191/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   50/98 = 50 × 5/98 × 5 = 250/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   63/70 = 63 × 7/70 × 7 = 441/490
4. Subtract the two like fractions:
   250/490 - 441/490 = 250 - 441/490 = -191/490

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