Subtract 7/18 from 18/49
18/49 - 7/18 is -19/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
18/49 = 18 × 18/49 × 18 = 324/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
7/18 = 7 × 49/18 × 49 = 343/882 - Subtract the two like fractions:
324/882 - 343/882 = 324 - 343/882 = -19/882
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