Subtract 18/49 from 7/9
7/9 - 18/49 is 181/441.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
7/9 = 7 × 49/9 × 49 = 343/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
18/49 = 18 × 9/49 × 9 = 162/441 - Subtract the two like fractions:
343/441 - 162/441 = 343 - 162/441 = 181/441
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