Subtract 42/98 from 2/18
2/18 - 42/98 is -20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 98 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
2/18 = 2 × 49/18 × 49 = 98/882 - Likewise, for the 2nd fraction, since 98 × 9 = 882,
42/98 = 42 × 9/98 × 9 = 378/882 - Subtract the two like fractions:
98/882 - 378/882 = 98 - 378/882 = -280/882 - After reducing the fraction, the answer is -20/63
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