Subtract 42/18 from 18/49
1st number: 18/49, 2nd number: 2 6/18
18/49 - 42/18 is -289/147.
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,
42/18 = 42 × 49/18 × 49 = 2058/882 - Subtract the two like fractions:
324/882 - 2058/882 = 324 - 2058/882 = -1734/882 - After reducing the fraction, the answer is -289/147
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