Subtract 6/98 from 3/70
3/70 - 6/98 is -9/490.
Steps for subtracting fractions
- 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 - For the 1st fraction, since 70 × 7 = 490,
3/70 = 3 × 7/70 × 7 = 21/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
6/98 = 6 × 5/98 × 5 = 30/490 - Subtract the two like fractions:
21/490 - 30/490 = 21 - 30/490 = -9/490
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