Subtract 63/90 from 30/98
30/98 - 63/90 is -193/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
30/98 = 30 × 45/98 × 45 = 1350/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Subtract the two like fractions:
1350/4410 - 3087/4410 = 1350 - 3087/4410 = -1737/4410 - After reducing the fraction, the answer is -193/490
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