Subtract 63/30 from 90/98
1st number: 90/98, 2nd number: 2 3/30
90/98 - 63/30 is -579/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
90/98 = 90 × 15/98 × 15 = 1350/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
63/30 = 63 × 49/30 × 49 = 3087/1470 - Subtract the two like fractions:
1350/1470 - 3087/1470 = 1350 - 3087/1470 = -1737/1470 - After reducing the fraction, the answer is -579/490
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