Subtract 63/98 from 18/35
18/35 - 63/98 is -9/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 35 × 14 = 490,
18/35 = 18 × 14/35 × 14 = 252/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
63/98 = 63 × 5/98 × 5 = 315/490 - Subtract the two like fractions:
252/490 - 315/490 = 252 - 315/490 = -63/490 - After reducing the fraction, the answer is -9/70
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