Subtract 28/98 from 8/30
8/30 - 28/98 is -2/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
8/30 = 8 × 49/30 × 49 = 392/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Subtract the two like fractions:
392/1470 - 420/1470 = 392 - 420/1470 = -28/1470 - After reducing the fraction, the answer is -2/105
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