Subtract 20/49 from 2/9
2/9 - 20/49 is -82/441.
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,
2/9 = 2 × 49/9 × 49 = 98/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
20/49 = 20 × 9/49 × 9 = 180/441 - Subtract the two like fractions:
98/441 - 180/441 = 98 - 180/441 = -82/441
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