Subtract 18/28 from 18/98
18/98 - 18/28 is -45/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
18/98 = 18 × 2/98 × 2 = 36/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
18/28 = 18 × 7/28 × 7 = 126/196 - Subtract the two like fractions:
36/196 - 126/196 = 36 - 126/196 = -90/196 - After reducing the fraction, the answer is -45/98
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